64220836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1721}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 118611360

約数和(自身を除く): 54390524

約数列:

[1, 2, 4, 19, 38, 76, 491, 982, 1721, 1964, 3442, 6884, 9329, 18658, 32699, 37316, 65398, 130796, 845011, 1690022, 3380044, 16055209, 32110418, 64220836]

約数ペア:

[(1, 64220836), (2, 32110418), (4, 16055209), (19, 3380044), (38, 1690022), (76, 845011), (491, 130796), (982, 65398), (1721, 37316), (1964, 32699), (3442, 18658), (6884, 9329)]