639058126

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{1451}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 1108723968

約数和(自身を除く): 469665842

約数列:

[1, 2, 7, 14, 163, 193, 326, 386, 1141, 1351, 1451, 2282, 2702, 2902, 10157, 20314, 31459, 62918, 220213, 236513, 280043, 440426, 473026, 560086, 1655591, 1960301, 3311182, 3920602, 45647009, 91294018, 319529063, 639058126]

約数ペア:

[(1, 639058126), (2, 319529063), (7, 91294018), (14, 45647009), (163, 3920602), (193, 3311182), (326, 1960301), (386, 1655591), (1141, 560086), (1351, 473026), (1451, 440426), (2282, 280043), (2702, 236513), (2902, 220213), (10157, 62918), (20314, 31459)]