31431556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{4003}}^1$

素因数の和:4171

約数の個数: 24

約数和(自身を含む): 59643584

約数和(自身を除く): 28212028

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 3926, 4003, 7852, 8006, 16012, 52039, 104078, 208156, 604453, 1208906, 2417812, 7857889, 15715778, 31431556]

約数ペア:

[(1, 31431556), (2, 15715778), (4, 7857889), (13, 2417812), (26, 1208906), (52, 604453), (151, 208156), (302, 104078), (604, 52039), (1963, 16012), (3926, 8006), (4003, 7852)]