278312446

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 438848928

約数和(自身を除く): 160536482

約数列:

[1, 2, 37, 74, 83, 113, 166, 226, 401, 802, 3071, 4181, 6142, 8362, 9379, 14837, 18758, 29674, 33283, 45313, 66566, 90626, 347023, 694046, 1231471, 1676581, 2462942, 3353162, 3760979, 7521958, 139156223, 278312446]

約数ペア:

[(1, 278312446), (2, 139156223), (37, 7521958), (74, 3760979), (83, 3353162), (113, 2462942), (166, 1676581), (226, 1231471), (401, 694046), (802, 347023), (3071, 90626), (4181, 66566), (6142, 45313), (8362, 33283), (9379, 29674), (14837, 18758)]