78725297

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2\times {\mathrm{97}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 96206208

約数和(自身を除く): 17480911

約数列:

[1, 7, 23, 71, 97, 161, 497, 679, 1633, 2231, 5041, 6887, 11431, 15617, 35287, 48209, 115943, 158401, 488977, 811601, 1108807, 3422839, 11246471, 78725297]

約数ペア:

[(1, 78725297), (7, 11246471), (23, 3422839), (71, 1108807), (97, 811601), (161, 488977), (497, 158401), (679, 115943), (1633, 48209), (2231, 35287), (5041, 15617), (6887, 11431)]