205455848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{63727}}^1$

素因数の和:63777

約数の個数: 32

約数和(自身を含む): 428252160

約数和(自身を除く): 222796312

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 63727, 127454, 254908, 509816, 828451, 1656902, 1975537, 3313804, 3951074, 6627608, 7902148, 15804296, 25681981, 51363962, 102727924, 205455848]

約数ペア:

[(1, 205455848), (2, 102727924), (4, 51363962), (8, 25681981), (13, 15804296), (26, 7902148), (31, 6627608), (52, 3951074), (62, 3313804), (104, 1975537), (124, 1656902), (248, 828451), (403, 509816), (806, 254908), (1612, 127454), (3224, 63727)]