78515101

素因数分解:

$7^4\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:698

約数の個数: 20

約数和(自身を含む): 93474972

約数和(自身を除く): 14959871

約数列:

[1, 7, 49, 53, 343, 371, 617, 2401, 2597, 4319, 18179, 30233, 32701, 127253, 211631, 228907, 1481417, 1602349, 11216443, 78515101]

約数ペア:

[(1, 78515101), (7, 11216443), (49, 1602349), (53, 1481417), (343, 228907), (371, 211631), (617, 127253), (2401, 32701), (2597, 30233), (4319, 18179)]