31043870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1277}}^1$

素因数の和:1325

約数の個数: 64

約数和(自身を含む): 69564096

約数和(自身を除く): 38520226

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1277, 1430, 1870, 2210, 2431, 2554, 4862, 6385, 12155, 12770, 14047, 16601, 21709, 24310, 28094, 33202, 43418, 70235, 83005, 108545, 140470, 166010, 182611, 217090, 238799, 282217, 365222, 477598, 564434, 913055, 1193995, 1411085, 1826110, 2387990, 2822170, 3104387, 6208774, 15521935, 31043870]

約数ペア:

[(1, 31043870), (2, 15521935), (5, 6208774), (10, 3104387), (11, 2822170), (13, 2387990), (17, 1826110), (22, 1411085), (26, 1193995), (34, 913055), (55, 564434), (65, 477598), (85, 365222), (110, 282217), (130, 238799), (143, 217090), (170, 182611), (187, 166010), (221, 140470), (286, 108545), (374, 83005), (442, 70235), (715, 43418), (935, 33202), (1105, 28094), (1277, 24310), (1430, 21709), (1870, 16601), (2210, 14047), (2431, 12770), (2554, 12155), (4862, 6385)]