64121618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1171}}^1$

素因数の和:1334

約数の個数: 32

約数和(自身を含む): 111386880

約数和(自身を除く): 47265262

約数列:

[1, 2, 11, 19, 22, 38, 131, 209, 262, 418, 1171, 1441, 2342, 2489, 2882, 4978, 12881, 22249, 25762, 27379, 44498, 54758, 153401, 244739, 306802, 489478, 1687411, 2914619, 3374822, 5829238, 32060809, 64121618]

約数ペア:

[(1, 64121618), (2, 32060809), (11, 5829238), (19, 3374822), (22, 2914619), (38, 1687411), (131, 489478), (209, 306802), (262, 244739), (418, 153401), (1171, 54758), (1441, 44498), (2342, 27379), (2489, 25762), (2882, 22249), (4978, 12881)]