31869985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1847}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 16030175

約数列:

[1, 5, 7, 17, 29, 35, 85, 119, 145, 203, 493, 595, 1015, 1847, 2465, 3451, 9235, 12929, 17255, 31399, 53563, 64645, 156995, 219793, 267815, 374941, 910571, 1098965, 1874705, 4552855, 6373997, 31869985]

約数ペア:

[(1, 31869985), (5, 6373997), (7, 4552855), (17, 1874705), (29, 1098965), (35, 910571), (85, 374941), (119, 267815), (145, 219793), (203, 156995), (493, 64645), (595, 53563), (1015, 31399), (1847, 17255), (2465, 12929), (3451, 9235)]