388591775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 574234080

約数和(自身を除く): 185642305

約数列:

[1, 5, 11, 13, 25, 55, 65, 73, 143, 275, 325, 365, 715, 803, 949, 1489, 1825, 3575, 4015, 4745, 7445, 10439, 16379, 19357, 20075, 23725, 37225, 52195, 81895, 96785, 108697, 212927, 260975, 409475, 483925, 543485, 1064635, 1195667, 1413061, 2717425, 5323175, 5978335, 7065305, 15543671, 29891675, 35326525, 77718355, 388591775]

約数ペア:

[(1, 388591775), (5, 77718355), (11, 35326525), (13, 29891675), (25, 15543671), (55, 7065305), (65, 5978335), (73, 5323175), (143, 2717425), (275, 1413061), (325, 1195667), (365, 1064635), (715, 543485), (803, 483925), (949, 409475), (1489, 260975), (1825, 212927), (3575, 108697), (4015, 96785), (4745, 81895), (7445, 52195), (10439, 37225), (16379, 23725), (19357, 20075)]