64888496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{213449}}^1$

素因数の和:213476

約数の個数: 20

約数和(自身を含む): 132339000

約数和(自身を除く): 67450504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 213449, 426898, 853796, 1707592, 3415184, 4055531, 8111062, 16222124, 32444248, 64888496]

約数ペア:

[(1, 64888496), (2, 32444248), (4, 16222124), (8, 8111062), (16, 4055531), (19, 3415184), (38, 1707592), (76, 853796), (152, 426898), (304, 213449)]