68901730

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1031}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 127951488

約数和(自身を除く): 59049758

約数列:

[1, 2, 5, 10, 41, 82, 163, 205, 326, 410, 815, 1031, 1630, 2062, 5155, 6683, 10310, 13366, 33415, 42271, 66830, 84542, 168053, 211355, 336106, 422710, 840265, 1680530, 6890173, 13780346, 34450865, 68901730]

約数ペア:

[(1, 68901730), (2, 34450865), (5, 13780346), (10, 6890173), (41, 1680530), (82, 840265), (163, 422710), (205, 336106), (326, 211355), (410, 168053), (815, 84542), (1031, 66830), (1630, 42271), (2062, 33415), (5155, 13366), (6683, 10310)]