80726668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1583}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 164989440

約数和(自身を除く): 84262772

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 61, 76, 122, 209, 244, 418, 671, 836, 1159, 1342, 1583, 2318, 2684, 3166, 4636, 6332, 12749, 17413, 25498, 30077, 34826, 50996, 60154, 69652, 96563, 120308, 193126, 330847, 386252, 661694, 1062193, 1323388, 1834697, 2124386, 3669394, 4248772, 7338788, 20181667, 40363334, 80726668]

約数ペア:

[(1, 80726668), (2, 40363334), (4, 20181667), (11, 7338788), (19, 4248772), (22, 3669394), (38, 2124386), (44, 1834697), (61, 1323388), (76, 1062193), (122, 661694), (209, 386252), (244, 330847), (418, 193126), (671, 120308), (836, 96563), (1159, 69652), (1342, 60154), (1583, 50996), (2318, 34826), (2684, 30077), (3166, 25498), (4636, 17413), (6332, 12749)]