1339681

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 16

約数和(自身を含む): 1638144

約数和(自身を除く): 298463

約数列:

[1, 7, 23, 53, 157, 161, 371, 1099, 1219, 3611, 8321, 8533, 25277, 58247, 191383, 1339681]

約数ペア:

[(1, 1339681), (7, 191383), (23, 58247), (53, 25277), (157, 8533), (161, 8321), (371, 3611), (1099, 1219)]