64322864

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{20407}}^1$

素因数の和:20612

約数の個数: 20

約数和(自身を含む): 125264304

約数和(自身を除く): 60941440

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 20407, 40814, 81628, 163256, 326512, 4020179, 8040358, 16080716, 32161432, 64322864]

約数ペア:

[(1, 64322864), (2, 32161432), (4, 16080716), (8, 8040358), (16, 4020179), (197, 326512), (394, 163256), (788, 81628), (1576, 40814), (3152, 20407)]