78780752

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{35423}}^1$

素因数の和:35570

約数の個数: 20

約数和(自身を含む): 153740160

約数和(自身を除く): 74959408

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 35423, 70846, 141692, 283384, 566768, 4923797, 9847594, 19695188, 39390376, 78780752]

約数ペア:

[(1, 78780752), (2, 39390376), (4, 19695188), (8, 9847594), (16, 4923797), (139, 566768), (278, 283384), (556, 141692), (1112, 70846), (2224, 35423)]