25658731

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 6855317

約数列:

[1, 7, 23, 31, 53, 97, 161, 217, 371, 679, 713, 1219, 1643, 2231, 3007, 4991, 5141, 8533, 11501, 15617, 21049, 35987, 37789, 69161, 118243, 159371, 264523, 484127, 827701, 1115597, 3665533, 25658731]

約数ペア:

[(1, 25658731), (7, 3665533), (23, 1115597), (31, 827701), (53, 484127), (97, 264523), (161, 159371), (217, 118243), (371, 69161), (679, 37789), (713, 35987), (1219, 21049), (1643, 15617), (2231, 11501), (3007, 8533), (4991, 5141)]