71305828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 142990848

約数和(自身を除く): 71685020

約数列:

[1, 2, 4, 11, 22, 31, 44, 61, 62, 122, 124, 244, 341, 671, 682, 857, 1342, 1364, 1714, 1891, 2684, 3428, 3782, 7564, 9427, 18854, 20801, 26567, 37708, 41602, 52277, 53134, 83204, 104554, 106268, 209108, 292237, 575047, 584474, 1150094, 1168948, 1620587, 2300188, 3241174, 6482348, 17826457, 35652914, 71305828]

約数ペア:

[(1, 71305828), (2, 35652914), (4, 17826457), (11, 6482348), (22, 3241174), (31, 2300188), (44, 1620587), (61, 1168948), (62, 1150094), (122, 584474), (124, 575047), (244, 292237), (341, 209108), (671, 106268), (682, 104554), (857, 83204), (1342, 53134), (1364, 52277), (1714, 41602), (1891, 37708), (2684, 26567), (3428, 20801), (3782, 18854), (7564, 9427)]