1661400728836

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{621617}}^1$

素因数の和:622084

約数の個数: 48

約数和(自身を含む): 3055675170240

約数和(自身を除く): 1394274441404

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 379, 758, 1516, 1763, 3526, 7052, 15539, 16297, 31078, 32594, 62156, 65188, 621617, 668177, 1243234, 1336354, 2486468, 2672708, 25486297, 26729531, 50972594, 53459062, 101945188, 106918124, 235592843, 471185686, 942371372, 1095910771, 2191821542, 4383643084, 9659306563, 10130492249, 19318613126, 20260984498, 38637226252, 40521968996, 415350182209, 830700364418, 1661400728836]

約数ペア:

[(1, 1661400728836), (2, 830700364418), (4, 415350182209), (41, 40521968996), (43, 38637226252), (82, 20260984498), (86, 19318613126), (164, 10130492249), (172, 9659306563), (379, 4383643084), (758, 2191821542), (1516, 1095910771), (1763, 942371372), (3526, 471185686), (7052, 235592843), (15539, 106918124), (16297, 101945188), (31078, 53459062), (32594, 50972594), (62156, 26729531), (65188, 25486297), (621617, 2672708), (668177, 2486468), (1243234, 1336354)]