7213485890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{353429}}^1$

素因数の和:353606

約数の個数: 32

約数和(自身を含む): 14072168880

約数和(自身を除く): 6858682990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 4082, 10205, 20410, 353429, 706858, 1767145, 3534290, 4594577, 9189154, 22972885, 45945770, 55488353, 110976706, 277441765, 554883530, 721348589, 1442697178, 3606742945, 7213485890]

約数ペア:

[(1, 7213485890), (2, 3606742945), (5, 1442697178), (10, 721348589), (13, 554883530), (26, 277441765), (65, 110976706), (130, 55488353), (157, 45945770), (314, 22972885), (785, 9189154), (1570, 4594577), (2041, 3534290), (4082, 1767145), (10205, 706858), (20410, 353429)]