31998715

素因数分解:

$5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 45053712

約数和(自身を除く): 13054997

約数列:

[1, 5, 7, 35, 49, 131, 245, 655, 917, 997, 4585, 4985, 6419, 6979, 32095, 34895, 48853, 130607, 244265, 653035, 914249, 4571245, 6399743, 31998715]

約数ペア:

[(1, 31998715), (5, 6399743), (7, 4571245), (35, 914249), (49, 653035), (131, 244265), (245, 130607), (655, 48853), (917, 34895), (997, 32095), (4585, 6979), (4985, 6419)]