70899725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 96735996

約数和(自身を除く): 25836271

約数列:

[1, 5, 13, 25, 65, 97, 169, 173, 325, 485, 845, 865, 1261, 2249, 2425, 4225, 4325, 6305, 11245, 16393, 16781, 29237, 31525, 56225, 81965, 83905, 146185, 218153, 409825, 419525, 730925, 1090765, 2835989, 5453825, 14179945, 70899725]

約数ペア:

[(1, 70899725), (5, 14179945), (13, 5453825), (25, 2835989), (65, 1090765), (97, 730925), (169, 419525), (173, 409825), (325, 218153), (485, 146185), (845, 83905), (865, 81965), (1261, 56225), (2249, 31525), (2425, 29237), (4225, 16781), (4325, 16393), (6305, 11245)]