1991152592

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{66943}}^1$

素因数の和:66988

約数の個数: 60

約数和(自身を含む): 4557279744

約数和(自身を除く): 2566127152

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 572, 676, 1144, 1352, 1859, 2288, 2704, 3718, 7436, 14872, 29744, 66943, 133886, 267772, 535544, 736373, 870259, 1071088, 1472746, 1740518, 2945492, 3481036, 5890984, 6962072, 9572849, 11313367, 11781968, 13924144, 19145698, 22626734, 38291396, 45253468, 76582792, 90506936, 124447037, 153165584, 181013872, 248894074, 497788148, 995576296, 1991152592]

約数ペア:

[(1, 1991152592), (2, 995576296), (4, 497788148), (8, 248894074), (11, 181013872), (13, 153165584), (16, 124447037), (22, 90506936), (26, 76582792), (44, 45253468), (52, 38291396), (88, 22626734), (104, 19145698), (143, 13924144), (169, 11781968), (176, 11313367), (208, 9572849), (286, 6962072), (338, 5890984), (572, 3481036), (676, 2945492), (1144, 1740518), (1352, 1472746), (1859, 1071088), (2288, 870259), (2704, 736373), (3718, 535544), (7436, 267772), (14872, 133886), (29744, 66943)]