1187641

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 1512448

約数和(自身を除く): 324807

約数列:

[1, 7, 13, 31, 91, 217, 403, 421, 2821, 2947, 5473, 13051, 38311, 91357, 169663, 1187641]

約数ペア:

[(1, 1187641), (7, 169663), (13, 91357), (31, 38311), (91, 13051), (217, 5473), (403, 2947), (421, 2821)]