138821848

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{2351}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 290918880

約数和(自身を除く): 152097032

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 121, 122, 242, 244, 484, 488, 671, 968, 1342, 2351, 2684, 4702, 5368, 7381, 9404, 14762, 18808, 25861, 29524, 51722, 59048, 103444, 143411, 206888, 284471, 286822, 568942, 573644, 1137884, 1147288, 1577521, 2275768, 3155042, 6310084, 12620168, 17352731, 34705462, 69410924, 138821848]

約数ペア:

[(1, 138821848), (2, 69410924), (4, 34705462), (8, 17352731), (11, 12620168), (22, 6310084), (44, 3155042), (61, 2275768), (88, 1577521), (121, 1147288), (122, 1137884), (242, 573644), (244, 568942), (484, 286822), (488, 284471), (671, 206888), (968, 143411), (1342, 103444), (2351, 59048), (2684, 51722), (4702, 29524), (5368, 25861), (7381, 18808), (9404, 14762)]