68820745

素因数分解:

$5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{1093}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 96530184

約数和(自身を除く): 27709439

約数列:

[1, 5, 7, 35, 49, 245, 257, 1093, 1285, 1799, 5465, 7651, 8995, 12593, 38255, 53557, 62965, 267785, 280901, 1404505, 1966307, 9831535, 13764149, 68820745]

約数ペア:

[(1, 68820745), (5, 13764149), (7, 9831535), (35, 1966307), (49, 1404505), (245, 280901), (257, 267785), (1093, 62965), (1285, 53557), (1799, 38255), (5465, 12593), (7651, 8995)]