30881665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2393}}^1$

素因数の和:2516

約数の個数: 16

約数和(自身を含む): 38782800

約数和(自身を除く): 7901135

約数列:

[1, 5, 29, 89, 145, 445, 2393, 2581, 11965, 12905, 69397, 212977, 346985, 1064885, 6176333, 30881665]

約数ペア:

[(1, 30881665), (5, 6176333), (29, 1064885), (89, 346985), (145, 212977), (445, 69397), (2393, 12905), (2581, 11965)]