221561528

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{1747}}^1$

素因数の和:2027

約数の個数: 32

約数和(自身を含む): 422876160

約数和(自身を除く): 201314632

約数列:

[1, 2, 4, 8, 83, 166, 191, 332, 382, 664, 764, 1528, 1747, 3494, 6988, 13976, 15853, 31706, 63412, 126824, 145001, 290002, 333677, 580004, 667354, 1160008, 1334708, 2669416, 27695191, 55390382, 110780764, 221561528]

約数ペア:

[(1, 221561528), (2, 110780764), (4, 55390382), (8, 27695191), (83, 2669416), (166, 1334708), (191, 1160008), (332, 667354), (382, 580004), (664, 333677), (764, 290002), (1528, 145001), (1747, 126824), (3494, 63412), (6988, 31706), (13976, 15853)]