221212656

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:428

約数の個数: 180

約数和(自身を含む): 729375192

約数和(自身を除く): 508162536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 107, 112, 126, 144, 147, 168, 196, 214, 252, 293, 294, 321, 336, 392, 428, 441, 504, 586, 588, 642, 749, 784, 856, 879, 882, 963, 1008, 1172, 1176, 1284, 1498, 1712, 1758, 1764, 1926, 2051, 2247, 2344, 2352, 2568, 2637, 2996, 3516, 3528, 3852, 4102, 4494, 4688, 5136, 5243, 5274, 5992, 6153, 6741, 7032, 7056, 7704, 8204, 8988, 10486, 10548, 11984, 12306, 13482, 14064, 14357, 15408, 15729, 16408, 17976, 18459, 20972, 21096, 24612, 26964, 28714, 31351, 31458, 32816, 35952, 36918, 41944, 42192, 43071, 47187, 49224, 53928, 57428, 62702, 62916, 73836, 83888, 86142, 94053, 94374, 98448, 107856, 114856, 125404, 125832, 129213, 147672, 172284, 188106, 188748, 219457, 229712, 250808, 251664, 258426, 282159, 295344, 344568, 376212, 377496, 438914, 501616, 516852, 564318, 658371, 689136, 752424, 754992, 877828, 1033704, 1128636, 1316742, 1504848, 1536199, 1755656, 1975113, 2067408, 2257272, 2633484, 3072398, 3511312, 3950226, 4514544, 4608597, 5266968, 6144796, 7900452, 9217194, 10533936, 12289592, 13825791, 15800904, 18434388, 24579184, 27651582, 31601808, 36868776, 55303164, 73737552, 110606328, 221212656]

約数ペア:

[(1, 221212656), (2, 110606328), (3, 73737552), (4, 55303164), (6, 36868776), (7, 31601808), (8, 27651582), (9, 24579184), (12, 18434388), (14, 15800904), (16, 13825791), (18, 12289592), (21, 10533936), (24, 9217194), (28, 7900452), (36, 6144796), (42, 5266968), (48, 4608597), (49, 4514544), (56, 3950226), (63, 3511312), (72, 3072398), (84, 2633484), (98, 2257272), (107, 2067408), (112, 1975113), (126, 1755656), (144, 1536199), (147, 1504848), (168, 1316742), (196, 1128636), (214, 1033704), (252, 877828), (293, 754992), (294, 752424), (321, 689136), (336, 658371), (392, 564318), (428, 516852), (441, 501616), (504, 438914), (586, 377496), (588, 376212), (642, 344568), (749, 295344), (784, 282159), (856, 258426), (879, 251664), (882, 250808), (963, 229712), (1008, 219457), (1172, 188748), (1176, 188106), (1284, 172284), (1498, 147672), (1712, 129213), (1758, 125832), (1764, 125404), (1926, 114856), (2051, 107856), (2247, 98448), (2344, 94374), (2352, 94053), (2568, 86142), (2637, 83888), (2996, 73836), (3516, 62916), (3528, 62702), (3852, 57428), (4102, 53928), (4494, 49224), (4688, 47187), (5136, 43071), (5243, 42192), (5274, 41944), (5992, 36918), (6153, 35952), (6741, 32816), (7032, 31458), (7056, 31351), (7704, 28714), (8204, 26964), (8988, 24612), (10486, 21096), (10548, 20972), (11984, 18459), (12306, 17976), (13482, 16408), (14064, 15729), (14357, 15408)]