28072296

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 90476100

約数和(自身を除く): 62403804

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 73, 84, 98, 109, 126, 146, 147, 168, 196, 218, 219, 252, 292, 294, 327, 392, 436, 438, 441, 504, 511, 584, 588, 654, 657, 763, 872, 876, 882, 981, 1022, 1176, 1308, 1314, 1526, 1533, 1752, 1764, 1962, 2044, 2289, 2616, 2628, 3052, 3066, 3528, 3577, 3924, 4088, 4578, 4599, 5256, 5341, 6104, 6132, 6867, 7154, 7848, 7957, 9156, 9198, 10682, 10731, 12264, 13734, 14308, 15914, 16023, 18312, 18396, 21364, 21462, 23871, 27468, 28616, 31828, 32046, 32193, 36792, 42728, 42924, 47742, 48069, 54936, 55699, 63656, 64092, 64386, 71613, 85848, 95484, 96138, 111398, 128184, 128772, 143226, 167097, 190968, 192276, 222796, 257544, 286452, 334194, 384552, 389893, 445592, 501291, 572904, 668388, 779786, 1002582, 1169679, 1336776, 1559572, 2005164, 2339358, 3119144, 3509037, 4010328, 4678716, 7018074, 9357432, 14036148, 28072296]

約数ペア:

[(1, 28072296), (2, 14036148), (3, 9357432), (4, 7018074), (6, 4678716), (7, 4010328), (8, 3509037), (9, 3119144), (12, 2339358), (14, 2005164), (18, 1559572), (21, 1336776), (24, 1169679), (28, 1002582), (36, 779786), (42, 668388), (49, 572904), (56, 501291), (63, 445592), (72, 389893), (73, 384552), (84, 334194), (98, 286452), (109, 257544), (126, 222796), (146, 192276), (147, 190968), (168, 167097), (196, 143226), (218, 128772), (219, 128184), (252, 111398), (292, 96138), (294, 95484), (327, 85848), (392, 71613), (436, 64386), (438, 64092), (441, 63656), (504, 55699), (511, 54936), (584, 48069), (588, 47742), (654, 42924), (657, 42728), (763, 36792), (872, 32193), (876, 32046), (882, 31828), (981, 28616), (1022, 27468), (1176, 23871), (1308, 21462), (1314, 21364), (1526, 18396), (1533, 18312), (1752, 16023), (1764, 15914), (1962, 14308), (2044, 13734), (2289, 12264), (2616, 10731), (2628, 10682), (3052, 9198), (3066, 9156), (3528, 7957), (3577, 7848), (3924, 7154), (4088, 6867), (4578, 6132), (4599, 6104), (5256, 5341)]