64447984

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{21089}}^1$

素因数の和:21288

約数の個数: 20

約数和(自身を含む): 125527680

約数和(自身を除く): 61079696

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 21089, 42178, 84356, 168712, 337424, 4027999, 8055998, 16111996, 32223992, 64447984]

約数ペア:

[(1, 64447984), (2, 32223992), (4, 16111996), (8, 8055998), (16, 4027999), (191, 337424), (382, 168712), (764, 84356), (1528, 42178), (3056, 21089)]