253168370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{278207}}^1$

素因数の和:278234

約数の個数: 32

約数和(自身を含む): 560867328

約数和(自身を除く): 307698958

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 278207, 556414, 1391035, 1947449, 2782070, 3616691, 3894898, 7233382, 9737245, 18083455, 19474490, 25316837, 36166910, 50633674, 126584185, 253168370]

約数ペア:

[(1, 253168370), (2, 126584185), (5, 50633674), (7, 36166910), (10, 25316837), (13, 19474490), (14, 18083455), (26, 9737245), (35, 7233382), (65, 3894898), (70, 3616691), (91, 2782070), (130, 1947449), (182, 1391035), (455, 556414), (910, 278207)]