78904990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{2593}}^1$

素因数の和:2796

約数の個数: 32

約数和(自身を含む): 151282080

約数和(自身を除く): 72377090

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 179, 358, 895, 1790, 2593, 3043, 5186, 6086, 12965, 15215, 25930, 30430, 44081, 88162, 220405, 440810, 464147, 928294, 2320735, 4641470, 7890499, 15780998, 39452495, 78904990]

約数ペア:

[(1, 78904990), (2, 39452495), (5, 15780998), (10, 7890499), (17, 4641470), (34, 2320735), (85, 928294), (170, 464147), (179, 440810), (358, 220405), (895, 88162), (1790, 44081), (2593, 30430), (3043, 25930), (5186, 15215), (6086, 12965)]