128547419

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2423}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 175924224

約数和(自身を除く): 47376805

約数列:

[1, 7, 11, 13, 53, 77, 91, 143, 371, 583, 689, 1001, 2423, 4081, 4823, 7579, 16961, 26653, 31499, 53053, 128419, 186571, 220493, 346489, 898933, 1412609, 1669447, 2425423, 9888263, 11686129, 18363917, 128547419]

約数ペア:

[(1, 128547419), (7, 18363917), (11, 11686129), (13, 9888263), (53, 2425423), (77, 1669447), (91, 1412609), (143, 898933), (371, 346489), (583, 220493), (689, 186571), (1001, 128419), (2423, 53053), (4081, 31499), (4823, 26653), (7579, 16961)]