17780230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{587}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 34673184

約数和(自身を除く): 16892954

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 233, 466, 587, 1165, 1174, 2330, 2935, 3029, 5870, 6058, 7631, 15145, 15262, 30290, 38155, 76310, 136771, 273542, 683855, 1367710, 1778023, 3556046, 8890115, 17780230]

約数ペア:

[(1, 17780230), (2, 8890115), (5, 3556046), (10, 1778023), (13, 1367710), (26, 683855), (65, 273542), (130, 136771), (233, 76310), (466, 38155), (587, 30290), (1165, 15262), (1174, 15145), (2330, 7631), (2935, 6058), (3029, 5870)]