64673408

素因数分解:

$2^7\times {\mathrm{199}}^1\times {\mathrm{2539}}^1$

素因数の和:2752

約数の個数: 32

約数和(自身を含む): 129540000

約数和(自身を除く): 64866592

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 398, 796, 1592, 2539, 3184, 5078, 6368, 10156, 12736, 20312, 25472, 40624, 81248, 162496, 324992, 505261, 1010522, 2021044, 4042088, 8084176, 16168352, 32336704, 64673408]

約数ペア:

[(1, 64673408), (2, 32336704), (4, 16168352), (8, 8084176), (16, 4042088), (32, 2021044), (64, 1010522), (128, 505261), (199, 324992), (398, 162496), (796, 81248), (1592, 40624), (2539, 25472), (3184, 20312), (5078, 12736), (6368, 10156)]