64527316

素因数分解:

$2^2\times 7^2\times {\mathrm{401}}^1\times {\mathrm{821}}^1$

素因数の和:1240

約数の個数: 36

約数和(自身を含む): 131847156

約数和(自身を除く): 67319840

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 401, 802, 821, 1604, 1642, 2807, 3284, 5614, 5747, 11228, 11494, 19649, 22988, 39298, 40229, 78596, 80458, 160916, 329221, 658442, 1316884, 2304547, 4609094, 9218188, 16131829, 32263658, 64527316]

約数ペア:

[(1, 64527316), (2, 32263658), (4, 16131829), (7, 9218188), (14, 4609094), (28, 2304547), (49, 1316884), (98, 658442), (196, 329221), (401, 160916), (802, 80458), (821, 78596), (1604, 40229), (1642, 39298), (2807, 22988), (3284, 19649), (5614, 11494), (5747, 11228)]