378313516

素因数分解:

$2^2\times 7^2\times {\mathrm{821}}^1\times {\mathrm{2351}}^1$

素因数の和:3190

約数の個数: 36

約数和(自身を含む): 771404256

約数和(自身を除く): 393090740

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 821, 1642, 2351, 3284, 4702, 5747, 9404, 11494, 16457, 22988, 32914, 40229, 65828, 80458, 115199, 160916, 230398, 460796, 1930171, 3860342, 7720684, 13511197, 27022394, 54044788, 94578379, 189156758, 378313516]

約数ペア:

[(1, 378313516), (2, 189156758), (4, 94578379), (7, 54044788), (14, 27022394), (28, 13511197), (49, 7720684), (98, 3860342), (196, 1930171), (821, 460796), (1642, 230398), (2351, 160916), (3284, 115199), (4702, 80458), (5747, 65828), (9404, 40229), (11494, 32914), (16457, 22988)]