291275528

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{641}}^1\times {\mathrm{719}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 554688000

約数和(自身を除く): 263412472

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 641, 719, 1282, 1438, 2564, 2876, 5128, 5752, 50639, 56801, 101278, 113602, 202556, 227204, 405112, 454408, 460879, 921758, 1843516, 3687032, 36409441, 72818882, 145637764, 291275528]

約数ペア:

[(1, 291275528), (2, 145637764), (4, 72818882), (8, 36409441), (79, 3687032), (158, 1843516), (316, 921758), (632, 460879), (641, 454408), (719, 405112), (1282, 227204), (1438, 202556), (2564, 113602), (2876, 101278), (5128, 56801), (5752, 50639)]