81394968

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1408

約数の個数: 64

約数和(自身を含む): 212094720

約数和(自身を除く): 130699752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 71, 74, 111, 142, 148, 213, 222, 284, 296, 426, 444, 568, 852, 888, 1291, 1704, 2582, 2627, 3873, 5164, 5254, 7746, 7881, 10328, 10508, 15492, 15762, 21016, 30984, 31524, 47767, 63048, 91661, 95534, 143301, 183322, 191068, 274983, 286602, 366644, 382136, 549966, 573204, 733288, 1099932, 1146408, 2199864, 3391457, 6782914, 10174371, 13565828, 20348742, 27131656, 40697484, 81394968]

約数ペア:

[(1, 81394968), (2, 40697484), (3, 27131656), (4, 20348742), (6, 13565828), (8, 10174371), (12, 6782914), (24, 3391457), (37, 2199864), (71, 1146408), (74, 1099932), (111, 733288), (142, 573204), (148, 549966), (213, 382136), (222, 366644), (284, 286602), (296, 274983), (426, 191068), (444, 183322), (568, 143301), (852, 95534), (888, 91661), (1291, 63048), (1704, 47767), (2582, 31524), (2627, 30984), (3873, 21016), (5164, 15762), (5254, 15492), (7746, 10508), (7881, 10328)]