1331193788

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{113}}^2\times {\mathrm{389}}^1$

素因数の和:686

約数の個数: 36

約数和(自身を含む): 2391600120

約数和(自身を除く): 1060406332

約数列:

[1, 2, 4, 67, 113, 134, 226, 268, 389, 452, 778, 1556, 7571, 12769, 15142, 25538, 26063, 30284, 43957, 51076, 52126, 87914, 104252, 175828, 855523, 1711046, 2945119, 3422092, 4967141, 5890238, 9934282, 11780476, 19868564, 332798447, 665596894, 1331193788]

約数ペア:

[(1, 1331193788), (2, 665596894), (4, 332798447), (67, 19868564), (113, 11780476), (134, 9934282), (226, 5890238), (268, 4967141), (389, 3422092), (452, 2945119), (778, 1711046), (1556, 855523), (7571, 175828), (12769, 104252), (15142, 87914), (25538, 52126), (26063, 51076), (30284, 43957)]