78045215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 102871296

約数和(自身を除く): 24826081

約数列:

[1, 5, 17, 43, 85, 131, 163, 215, 655, 731, 815, 2227, 2771, 3655, 5633, 7009, 11135, 13855, 21353, 28165, 35045, 95761, 106765, 119153, 363001, 478805, 595765, 918179, 1815005, 4590895, 15609043, 78045215]

約数ペア:

[(1, 78045215), (5, 15609043), (17, 4590895), (43, 1815005), (85, 918179), (131, 595765), (163, 478805), (215, 363001), (655, 119153), (731, 106765), (815, 95761), (2227, 35045), (2771, 28165), (3655, 21353), (5633, 13855), (7009, 11135)]