81367528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 172523520

約数和(自身を除く): 91155992

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 103, 188, 191, 206, 376, 382, 412, 517, 764, 824, 1034, 1133, 1528, 2068, 2101, 2266, 4136, 4202, 4532, 4841, 8404, 8977, 9064, 9682, 16808, 17954, 19364, 19673, 35908, 38728, 39346, 53251, 71816, 78692, 98747, 106502, 157384, 197494, 213004, 216403, 394988, 426008, 432806, 789976, 865612, 924631, 1731224, 1849262, 3698524, 7397048, 10170941, 20341882, 40683764, 81367528]

約数ペア:

[(1, 81367528), (2, 40683764), (4, 20341882), (8, 10170941), (11, 7397048), (22, 3698524), (44, 1849262), (47, 1731224), (88, 924631), (94, 865612), (103, 789976), (188, 432806), (191, 426008), (206, 394988), (376, 216403), (382, 213004), (412, 197494), (517, 157384), (764, 106502), (824, 98747), (1034, 78692), (1133, 71816), (1528, 53251), (2068, 39346), (2101, 38728), (2266, 35908), (4136, 19673), (4202, 19364), (4532, 17954), (4841, 16808), (8404, 9682), (8977, 9064)]