397528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 820800

約数和(自身を除く): 423272

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 79, 136, 148, 158, 296, 316, 629, 632, 1258, 1343, 2516, 2686, 2923, 5032, 5372, 5846, 10744, 11692, 23384, 49691, 99382, 198764, 397528]

約数ペア:

[(1, 397528), (2, 198764), (4, 99382), (8, 49691), (17, 23384), (34, 11692), (37, 10744), (68, 5846), (74, 5372), (79, 5032), (136, 2923), (148, 2686), (158, 2516), (296, 1343), (316, 1258), (629, 632)]