78663778

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{5231}}^1$

素因数の和:5409

約数の個数: 16

約数和(自身を含む): 120796416

約数和(自身を除く): 42132638

約数列:

[1, 2, 73, 103, 146, 206, 5231, 7519, 10462, 15038, 381863, 538793, 763726, 1077586, 39331889, 78663778]

約数ペア:

[(1, 78663778), (2, 39331889), (73, 1077586), (103, 763726), (146, 538793), (206, 381863), (5231, 15038), (7519, 10462)]