1271417

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 16

約数和(自身を含む): 1555200

約数和(自身を除く): 283783

約数列:

[1, 7, 23, 53, 149, 161, 371, 1043, 1219, 3427, 7897, 8533, 23989, 55279, 181631, 1271417]

約数ペア:

[(1, 1271417), (7, 181631), (23, 55279), (53, 23989), (149, 8533), (161, 7897), (371, 3427), (1043, 1219)]