72178519

素因数分解:

$7^3\times {\mathrm{163}}^1\times {\mathrm{1291}}^1$

素因数の和:1475

約数の個数: 16

約数和(自身を含む): 84755200

約数和(自身を除く): 12576681

約数列:

[1, 7, 49, 163, 343, 1141, 1291, 7987, 9037, 55909, 63259, 210433, 442813, 1473031, 10311217, 72178519]

約数ペア:

[(1, 72178519), (7, 10311217), (49, 1473031), (163, 442813), (343, 210433), (1141, 63259), (1291, 55909), (7987, 9037)]