31874297

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 41620992

約数和(自身を除く): 9746695

約数列:

[1, 7, 13, 23, 91, 97, 157, 161, 299, 679, 1099, 1261, 2041, 2093, 2231, 3611, 8827, 14287, 15229, 15617, 25277, 29003, 46943, 106603, 197977, 203021, 328601, 350267, 1385839, 2451869, 4553471, 31874297]

約数ペア:

[(1, 31874297), (7, 4553471), (13, 2451869), (23, 1385839), (91, 350267), (97, 328601), (157, 203021), (161, 197977), (299, 106603), (679, 46943), (1099, 29003), (1261, 25277), (2041, 15617), (2093, 15229), (2231, 14287), (3611, 8827)]