68745908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 153369216

約数和(自身を除く): 84623308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 103, 121, 154, 197, 206, 242, 308, 394, 412, 484, 721, 788, 847, 1133, 1379, 1442, 1694, 2167, 2266, 2758, 2884, 3388, 4334, 4532, 5516, 7931, 8668, 12463, 15169, 15862, 20291, 23837, 24926, 30338, 31724, 40582, 47674, 49852, 60676, 81164, 87241, 95348, 142037, 166859, 174482, 223201, 284074, 333718, 348964, 446402, 568148, 667436, 892804, 1562407, 2455211, 3124814, 4910422, 6249628, 9820844, 17186477, 34372954, 68745908]

約数ペア:

[(1, 68745908), (2, 34372954), (4, 17186477), (7, 9820844), (11, 6249628), (14, 4910422), (22, 3124814), (28, 2455211), (44, 1562407), (77, 892804), (103, 667436), (121, 568148), (154, 446402), (197, 348964), (206, 333718), (242, 284074), (308, 223201), (394, 174482), (412, 166859), (484, 142037), (721, 95348), (788, 87241), (847, 81164), (1133, 60676), (1379, 49852), (1442, 47674), (1694, 40582), (2167, 31724), (2266, 30338), (2758, 24926), (2884, 23837), (3388, 20291), (4334, 15862), (4532, 15169), (5516, 12463), (7931, 8668)]