31678790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22153}}^1$

素因数の和:22184

約数の個数: 32

約数和(自身を含む): 66993696

約数和(自身を除く): 35314906

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 22153, 44306, 110765, 221530, 243683, 287989, 487366, 575978, 1218415, 1439945, 2436830, 2879890, 3167879, 6335758, 15839395, 31678790]

約数ペア:

[(1, 31678790), (2, 15839395), (5, 6335758), (10, 3167879), (11, 2879890), (13, 2436830), (22, 1439945), (26, 1218415), (55, 575978), (65, 487366), (110, 287989), (130, 243683), (143, 221530), (286, 110765), (715, 44306), (1430, 22153)]