1640392325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3613}}^1$

素因数の和:3774

約数の個数: 48

約数和(自身を含む): 2409179136

約数和(自身を除く): 768786811

約数列:

[1, 5, 11, 13, 25, 55, 65, 127, 143, 275, 325, 635, 715, 1397, 1651, 3175, 3575, 3613, 6985, 8255, 18065, 18161, 34925, 39743, 41275, 46969, 90325, 90805, 198715, 234845, 454025, 458851, 516659, 993575, 1174225, 2294255, 2583295, 5047361, 5965063, 11471275, 12916475, 25236805, 29825315, 65615693, 126184025, 149126575, 328078465, 1640392325]

約数ペア:

[(1, 1640392325), (5, 328078465), (11, 149126575), (13, 126184025), (25, 65615693), (55, 29825315), (65, 25236805), (127, 12916475), (143, 11471275), (275, 5965063), (325, 5047361), (635, 2583295), (715, 2294255), (1397, 1174225), (1651, 993575), (3175, 516659), (3575, 458851), (3613, 454025), (6985, 234845), (8255, 198715), (18065, 90805), (18161, 90325), (34925, 46969), (39743, 41275)]