81468772

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1303}}^1$

素因数の和:1361

約数の個数: 72

約数和(自身を含む): 187306560

約数和(自身を除く): 105837788

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 154, 196, 203, 308, 319, 406, 539, 638, 812, 1078, 1276, 1303, 1421, 2156, 2233, 2606, 2842, 4466, 5212, 5684, 8932, 9121, 14333, 15631, 18242, 28666, 31262, 36484, 37787, 57332, 62524, 63847, 75574, 100331, 127694, 151148, 200662, 255388, 264509, 401324, 415657, 529018, 702317, 831314, 1058036, 1404634, 1662628, 1851563, 2809268, 2909599, 3703126, 5819198, 7406252, 11638396, 20367193, 40734386, 81468772]

約数ペア:

[(1, 81468772), (2, 40734386), (4, 20367193), (7, 11638396), (11, 7406252), (14, 5819198), (22, 3703126), (28, 2909599), (29, 2809268), (44, 1851563), (49, 1662628), (58, 1404634), (77, 1058036), (98, 831314), (116, 702317), (154, 529018), (196, 415657), (203, 401324), (308, 264509), (319, 255388), (406, 200662), (539, 151148), (638, 127694), (812, 100331), (1078, 75574), (1276, 63847), (1303, 62524), (1421, 57332), (2156, 37787), (2233, 36484), (2606, 31262), (2842, 28666), (4466, 18242), (5212, 15631), (5684, 14333), (8932, 9121)]