81403088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1709}}^1$

素因数の和:1959

約数の個数: 40

約数和(自身を含む): 170692200

約数和(自身を除く): 89289112

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 229, 458, 916, 1709, 1832, 2977, 3418, 3664, 5954, 6836, 11908, 13672, 22217, 23816, 27344, 44434, 47632, 88868, 177736, 355472, 391361, 782722, 1565444, 3130888, 5087693, 6261776, 10175386, 20350772, 40701544, 81403088]

約数ペア:

[(1, 81403088), (2, 40701544), (4, 20350772), (8, 10175386), (13, 6261776), (16, 5087693), (26, 3130888), (52, 1565444), (104, 782722), (208, 391361), (229, 355472), (458, 177736), (916, 88868), (1709, 47632), (1832, 44434), (2977, 27344), (3418, 23816), (3664, 22217), (5954, 13672), (6836, 11908)]