1531390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 3193344

約数和(自身を除く): 1661954

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 167, 262, 334, 655, 835, 917, 1169, 1310, 1670, 1834, 2338, 4585, 5845, 9170, 11690, 21877, 43754, 109385, 153139, 218770, 306278, 765695, 1531390]

約数ペア:

[(1, 1531390), (2, 765695), (5, 306278), (7, 218770), (10, 153139), (14, 109385), (35, 43754), (70, 21877), (131, 11690), (167, 9170), (262, 5845), (334, 4585), (655, 2338), (835, 1834), (917, 1670), (1169, 1310)]