31716396

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 85503600

約数和(自身を除く): 53787204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 89, 114, 171, 178, 228, 267, 342, 356, 521, 534, 684, 801, 1042, 1068, 1563, 1602, 1691, 2084, 3126, 3204, 3382, 4689, 5073, 6252, 6764, 9378, 9899, 10146, 15219, 18756, 19798, 20292, 29697, 30438, 39596, 46369, 59394, 60876, 89091, 92738, 118788, 139107, 178182, 185476, 278214, 356364, 417321, 556428, 834642, 881011, 1669284, 1762022, 2643033, 3524044, 5286066, 7929099, 10572132, 15858198, 31716396]

約数ペア:

[(1, 31716396), (2, 15858198), (3, 10572132), (4, 7929099), (6, 5286066), (9, 3524044), (12, 2643033), (18, 1762022), (19, 1669284), (36, 881011), (38, 834642), (57, 556428), (76, 417321), (89, 356364), (114, 278214), (171, 185476), (178, 178182), (228, 139107), (267, 118788), (342, 92738), (356, 89091), (521, 60876), (534, 59394), (684, 46369), (801, 39596), (1042, 30438), (1068, 29697), (1563, 20292), (1602, 19798), (1691, 18756), (2084, 15219), (3126, 10146), (3204, 9899), (3382, 9378), (4689, 6764), (5073, 6252)]