311984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 40

約数和(自身を含む): 678528

約数和(自身を除く): 366544

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 37, 62, 68, 74, 124, 136, 148, 248, 272, 296, 496, 527, 592, 629, 1054, 1147, 1258, 2108, 2294, 2516, 4216, 4588, 5032, 8432, 9176, 10064, 18352, 19499, 38998, 77996, 155992, 311984]

約数ペア:

[(1, 311984), (2, 155992), (4, 77996), (8, 38998), (16, 19499), (17, 18352), (31, 10064), (34, 9176), (37, 8432), (62, 5032), (68, 4588), (74, 4216), (124, 2516), (136, 2294), (148, 2108), (248, 1258), (272, 1147), (296, 1054), (496, 629), (527, 592)]