311471604

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{523}}^1$

素因数の和:837

約数の個数: 72

約数和(自身を含む): 803380032

約数和(自身を除く): 491908428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 233, 284, 426, 466, 523, 639, 699, 852, 932, 1046, 1278, 1398, 1569, 2092, 2097, 2556, 2796, 3138, 4194, 4707, 6276, 8388, 9414, 16543, 18828, 33086, 37133, 49629, 66172, 74266, 99258, 111399, 121859, 148532, 148887, 198516, 222798, 243718, 297774, 334197, 365577, 445596, 487436, 595548, 668394, 731154, 1096731, 1336788, 1462308, 2193462, 4386924, 8651989, 17303978, 25955967, 34607956, 51911934, 77867901, 103823868, 155735802, 311471604]

約数ペア:

[(1, 311471604), (2, 155735802), (3, 103823868), (4, 77867901), (6, 51911934), (9, 34607956), (12, 25955967), (18, 17303978), (36, 8651989), (71, 4386924), (142, 2193462), (213, 1462308), (233, 1336788), (284, 1096731), (426, 731154), (466, 668394), (523, 595548), (639, 487436), (699, 445596), (852, 365577), (932, 334197), (1046, 297774), (1278, 243718), (1398, 222798), (1569, 198516), (2092, 148887), (2097, 148532), (2556, 121859), (2796, 111399), (3138, 99258), (4194, 74266), (4707, 66172), (6276, 49629), (8388, 37133), (9414, 33086), (16543, 18828)]