81706328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 175703040

約数和(自身を除く): 93996712

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 61, 62, 88, 122, 124, 244, 248, 341, 488, 491, 671, 682, 982, 1342, 1364, 1891, 1964, 2684, 2728, 3782, 3928, 5368, 5401, 7564, 10802, 15128, 15221, 20801, 21604, 29951, 30442, 41602, 43208, 59902, 60884, 83204, 119804, 121768, 166408, 167431, 239608, 329461, 334862, 658922, 669724, 928481, 1317844, 1339448, 1856962, 2635688, 3713924, 7427848, 10213291, 20426582, 40853164, 81706328]

約数ペア:

[(1, 81706328), (2, 40853164), (4, 20426582), (8, 10213291), (11, 7427848), (22, 3713924), (31, 2635688), (44, 1856962), (61, 1339448), (62, 1317844), (88, 928481), (122, 669724), (124, 658922), (244, 334862), (248, 329461), (341, 239608), (488, 167431), (491, 166408), (671, 121768), (682, 119804), (982, 83204), (1342, 60884), (1364, 59902), (1891, 43208), (1964, 41602), (2684, 30442), (2728, 29951), (3782, 21604), (3928, 20801), (5368, 15221), (5401, 15128), (7564, 10802)]