620965912

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{140363}}^1$

素因数の和:140455

約数の個数: 32

約数和(自身を含む): 1347494400

約数和(自身を除く): 726528488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 140363, 280726, 561452, 982541, 1122904, 1965082, 3930164, 7860328, 11088677, 22177354, 44354708, 77620739, 88709416, 155241478, 310482956, 620965912]

約数ペア:

[(1, 620965912), (2, 310482956), (4, 155241478), (7, 88709416), (8, 77620739), (14, 44354708), (28, 22177354), (56, 11088677), (79, 7860328), (158, 3930164), (316, 1965082), (553, 1122904), (632, 982541), (1106, 561452), (2212, 280726), (4424, 140363)]