13218856

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1723}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 28549440

約数和(自身を除く): 15330584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1723, 1918, 3446, 3836, 6892, 7672, 12061, 13784, 24122, 48244, 96488, 236051, 472102, 944204, 1652357, 1888408, 3304714, 6609428, 13218856]

約数ペア:

[(1, 13218856), (2, 6609428), (4, 3304714), (7, 1888408), (8, 1652357), (14, 944204), (28, 472102), (56, 236051), (137, 96488), (274, 48244), (548, 24122), (959, 13784), (1096, 12061), (1723, 7672), (1918, 6892), (3446, 3836)]