31361590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12697}}^1$

素因数の和:12736

約数の個数: 32

約数和(自身を含む): 63997920

約数和(自身を除く): 32636330

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 12697, 25394, 63485, 126970, 165061, 241243, 330122, 482486, 825305, 1206215, 1650610, 2412430, 3136159, 6272318, 15680795, 31361590]

約数ペア:

[(1, 31361590), (2, 15680795), (5, 6272318), (10, 3136159), (13, 2412430), (19, 1650610), (26, 1206215), (38, 825305), (65, 482486), (95, 330122), (130, 241243), (190, 165061), (247, 126970), (494, 63485), (1235, 25394), (2470, 12697)]