81210272

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17747}}^1$

素因数の和:17781

約数の個数: 48

約数和(自身を含む): 187844832

約数和(自身を除く): 106634560

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 17747, 35494, 70988, 141976, 195217, 230711, 283952, 390434, 461422, 567904, 780868, 922844, 1561736, 1845688, 2537821, 3123472, 3691376, 5075642, 6246944, 7382752, 10151284, 20302568, 40605136, 81210272]

約数ペア:

[(1, 81210272), (2, 40605136), (4, 20302568), (8, 10151284), (11, 7382752), (13, 6246944), (16, 5075642), (22, 3691376), (26, 3123472), (32, 2537821), (44, 1845688), (52, 1561736), (88, 922844), (104, 780868), (143, 567904), (176, 461422), (208, 390434), (286, 283952), (352, 230711), (416, 195217), (572, 141976), (1144, 70988), (2288, 35494), (4576, 17747)]