159796987

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 191862000

約数和(自身を除く): 32065013

約数列:

[1, 7, 43, 49, 149, 301, 509, 1043, 2107, 3563, 6407, 7301, 21887, 24941, 44849, 75841, 153209, 313943, 530887, 1072463, 3261163, 3716209, 22828141, 159796987]

約数ペア:

[(1, 159796987), (7, 22828141), (43, 3716209), (49, 3261163), (149, 1072463), (301, 530887), (509, 313943), (1043, 153209), (2107, 75841), (3563, 44849), (6407, 24941), (7301, 21887)]