87740653

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 127475712

約数和(自身を除く): 39735059

約数列:

[1, 7, 11, 13, 23, 37, 77, 91, 103, 143, 161, 253, 259, 299, 407, 481, 721, 851, 1001, 1133, 1339, 1771, 2093, 2369, 2849, 3289, 3367, 3811, 5291, 5957, 7931, 9361, 9373, 11063, 14729, 16583, 23023, 26059, 26677, 30797, 37037, 41921, 49543, 65527, 77441, 87653, 103103, 121693, 182413, 215579, 293447, 338767, 346801, 544973, 613571, 851851, 964183, 1139489, 2371369, 3814811, 6749281, 7976423, 12534379, 87740653]

約数ペア:

[(1, 87740653), (7, 12534379), (11, 7976423), (13, 6749281), (23, 3814811), (37, 2371369), (77, 1139489), (91, 964183), (103, 851851), (143, 613571), (161, 544973), (253, 346801), (259, 338767), (299, 293447), (407, 215579), (481, 182413), (721, 121693), (851, 103103), (1001, 87653), (1133, 77441), (1339, 65527), (1771, 49543), (2093, 41921), (2369, 37037), (2849, 30797), (3289, 26677), (3367, 26059), (3811, 23023), (5291, 16583), (5957, 14729), (7931, 11063), (9361, 9373)]