31979315

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 10598605

約数列:

[1, 5, 23, 29, 43, 115, 145, 215, 223, 667, 989, 1115, 1247, 3335, 4945, 5129, 6235, 6467, 9589, 25645, 28681, 32335, 47945, 143405, 148741, 220547, 278081, 743705, 1102735, 1390405, 6395863, 31979315]

約数ペア:

[(1, 31979315), (5, 6395863), (23, 1390405), (29, 1102735), (43, 743705), (115, 278081), (145, 220547), (215, 148741), (223, 143405), (667, 47945), (989, 32335), (1115, 28681), (1247, 25645), (3335, 9589), (4945, 6467), (5129, 6235)]