12918472

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1171}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 27846720

約数和(自身を除く): 14928248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1171, 1379, 1576, 2342, 2758, 4684, 5516, 8197, 9368, 11032, 16394, 32788, 65576, 230687, 461374, 922748, 1614809, 1845496, 3229618, 6459236, 12918472]

約数ペア:

[(1, 12918472), (2, 6459236), (4, 3229618), (7, 1845496), (8, 1614809), (14, 922748), (28, 461374), (56, 230687), (197, 65576), (394, 32788), (788, 16394), (1171, 11032), (1379, 9368), (1576, 8197), (2342, 5516), (2758, 4684)]