31959798

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 40616202

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 71, 78, 87, 142, 174, 199, 213, 377, 398, 426, 597, 754, 923, 1131, 1194, 1846, 2059, 2262, 2587, 2769, 4118, 5174, 5538, 5771, 6177, 7761, 11542, 12354, 14129, 15522, 17313, 26767, 28258, 34626, 42387, 53534, 75023, 80301, 84774, 150046, 160602, 183677, 225069, 367354, 409741, 450138, 551031, 819482, 1102062, 1229223, 2458446, 5326633, 10653266, 15979899, 31959798]

約数ペア:

[(1, 31959798), (2, 15979899), (3, 10653266), (6, 5326633), (13, 2458446), (26, 1229223), (29, 1102062), (39, 819482), (58, 551031), (71, 450138), (78, 409741), (87, 367354), (142, 225069), (174, 183677), (199, 160602), (213, 150046), (377, 84774), (398, 80301), (426, 75023), (597, 53534), (754, 42387), (923, 34626), (1131, 28258), (1194, 26767), (1846, 17313), (2059, 15522), (2262, 14129), (2587, 12354), (2769, 11542), (4118, 7761), (5174, 6177), (5538, 5771)]