38458728

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1028

約数の個数: 144

約数和(自身を含む): 132312960

約数和(自身を除く): 93854232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 49, 56, 63, 66, 72, 77, 84, 88, 98, 99, 126, 132, 147, 154, 168, 196, 198, 231, 252, 264, 294, 308, 392, 396, 441, 462, 504, 539, 588, 616, 693, 792, 882, 924, 991, 1078, 1176, 1386, 1617, 1764, 1848, 1982, 2156, 2772, 2973, 3234, 3528, 3964, 4312, 4851, 5544, 5946, 6468, 6937, 7928, 8919, 9702, 10901, 11892, 12936, 13874, 17838, 19404, 20811, 21802, 23784, 27748, 32703, 35676, 38808, 41622, 43604, 48559, 55496, 62433, 65406, 71352, 76307, 83244, 87208, 97118, 98109, 124866, 130812, 145677, 152614, 166488, 194236, 196218, 228921, 249732, 261624, 291354, 305228, 388472, 392436, 437031, 457842, 499464, 534149, 582708, 610456, 686763, 784872, 874062, 915684, 1068298, 1165416, 1373526, 1602447, 1748124, 1831368, 2136596, 2747052, 3204894, 3496248, 4273192, 4807341, 5494104, 6409788, 9614682, 12819576, 19229364, 38458728]

約数ペア:

[(1, 38458728), (2, 19229364), (3, 12819576), (4, 9614682), (6, 6409788), (7, 5494104), (8, 4807341), (9, 4273192), (11, 3496248), (12, 3204894), (14, 2747052), (18, 2136596), (21, 1831368), (22, 1748124), (24, 1602447), (28, 1373526), (33, 1165416), (36, 1068298), (42, 915684), (44, 874062), (49, 784872), (56, 686763), (63, 610456), (66, 582708), (72, 534149), (77, 499464), (84, 457842), (88, 437031), (98, 392436), (99, 388472), (126, 305228), (132, 291354), (147, 261624), (154, 249732), (168, 228921), (196, 196218), (198, 194236), (231, 166488), (252, 152614), (264, 145677), (294, 130812), (308, 124866), (392, 98109), (396, 97118), (441, 87208), (462, 83244), (504, 76307), (539, 71352), (588, 65406), (616, 62433), (693, 55496), (792, 48559), (882, 43604), (924, 41622), (991, 38808), (1078, 35676), (1176, 32703), (1386, 27748), (1617, 23784), (1764, 21802), (1848, 20811), (1982, 19404), (2156, 17838), (2772, 13874), (2973, 12936), (3234, 11892), (3528, 10901), (3964, 9702), (4312, 8919), (4851, 7928), (5544, 6937), (5946, 6468)]