81621704

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{5867}}^1$

素因数の和:5957

約数の個数: 32

約数和(自身を含む): 160548480

約数和(自身を除く): 78926776

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 296, 376, 1739, 3478, 5867, 6956, 11734, 13912, 23468, 46936, 217079, 275749, 434158, 551498, 868316, 1102996, 1736632, 2205992, 10202713, 20405426, 40810852, 81621704]

約数ペア:

[(1, 81621704), (2, 40810852), (4, 20405426), (8, 10202713), (37, 2205992), (47, 1736632), (74, 1102996), (94, 868316), (148, 551498), (188, 434158), (296, 275749), (376, 217079), (1739, 46936), (3478, 23468), (5867, 13912), (6956, 11734)]