64910768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{312071}}^1$

素因数の和:312092

約数の個数: 20

約数和(自身を含む): 135439248

約数和(自身を除く): 70528480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 312071, 624142, 1248284, 2496568, 4056923, 4993136, 8113846, 16227692, 32455384, 64910768]

約数ペア:

[(1, 64910768), (2, 32455384), (4, 16227692), (8, 8113846), (13, 4993136), (16, 4056923), (26, 2496568), (52, 1248284), (104, 624142), (208, 312071)]