890221684

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 1774135944

約数和(自身を除く): 883914260

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 113, 121, 164, 226, 242, 397, 451, 452, 484, 794, 902, 1243, 1588, 1804, 2486, 4367, 4633, 4961, 4972, 8734, 9266, 9922, 13673, 16277, 17468, 18532, 19844, 27346, 32554, 44861, 48037, 50963, 54692, 65108, 89722, 96074, 101926, 179047, 179444, 192148, 203852, 358094, 493471, 560593, 716188, 986942, 1121186, 1839301, 1969517, 1973884, 2242372, 3678602, 3939034, 5428181, 7357204, 7878068, 10856362, 20232311, 21712724, 40464622, 80929244, 222555421, 445110842, 890221684]

約数ペア:

[(1, 890221684), (2, 445110842), (4, 222555421), (11, 80929244), (22, 40464622), (41, 21712724), (44, 20232311), (82, 10856362), (113, 7878068), (121, 7357204), (164, 5428181), (226, 3939034), (242, 3678602), (397, 2242372), (451, 1973884), (452, 1969517), (484, 1839301), (794, 1121186), (902, 986942), (1243, 716188), (1588, 560593), (1804, 493471), (2486, 358094), (4367, 203852), (4633, 192148), (4961, 179444), (4972, 179047), (8734, 101926), (9266, 96074), (9922, 89722), (13673, 65108), (16277, 54692), (17468, 50963), (18532, 48037), (19844, 44861), (27346, 32554)]