138878212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 274357440

約数和(自身を除く): 135479228

約数列:

[1, 2, 4, 11, 22, 44, 59, 61, 118, 122, 236, 244, 649, 671, 877, 1298, 1342, 1754, 2596, 2684, 3508, 3599, 7198, 9647, 14396, 19294, 38588, 39589, 51743, 53497, 79178, 103486, 106994, 158356, 206972, 213988, 569173, 588467, 1138346, 1176934, 2276692, 2353868, 3156323, 6312646, 12625292, 34719553, 69439106, 138878212]

約数ペア:

[(1, 138878212), (2, 69439106), (4, 34719553), (11, 12625292), (22, 6312646), (44, 3156323), (59, 2353868), (61, 2276692), (118, 1176934), (122, 1138346), (236, 588467), (244, 569173), (649, 213988), (671, 206972), (877, 158356), (1298, 106994), (1342, 103486), (1754, 79178), (2596, 53497), (2684, 51743), (3508, 39589), (3599, 38588), (7198, 19294), (9647, 14396)]