388675495

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 544959360

約数和(自身を除く): 156283865

約数列:

[1, 5, 13, 19, 43, 65, 95, 169, 215, 247, 559, 563, 817, 845, 1235, 2795, 2815, 3211, 4085, 7267, 7319, 10621, 10697, 16055, 24209, 36335, 36595, 53105, 53485, 95147, 121045, 138073, 139061, 314717, 459971, 475735, 690365, 695305, 1573585, 1807793, 2299855, 4091321, 5979623, 9038965, 20456605, 29898115, 77735099, 388675495]

約数ペア:

[(1, 388675495), (5, 77735099), (13, 29898115), (19, 20456605), (43, 9038965), (65, 5979623), (95, 4091321), (169, 2299855), (215, 1807793), (247, 1573585), (559, 695305), (563, 690365), (817, 475735), (845, 459971), (1235, 314717), (2795, 139061), (2815, 138073), (3211, 121045), (4085, 95147), (7267, 53485), (7319, 53105), (10621, 36595), (10697, 36335), (16055, 24209)]