2619631

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 3193344

約数和(自身を除く): 573713

約数列:

[1, 7, 23, 53, 161, 307, 371, 1219, 2149, 7061, 8533, 16271, 49427, 113897, 374233, 2619631]

約数ペア:

[(1, 2619631), (7, 374233), (23, 113897), (53, 49427), (161, 16271), (307, 8533), (371, 7061), (1219, 2149)]