40378421

素因数分解:

${\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 42565824

約数和(自身を除く): 2187403

約数列:

[1, 53, 67, 83, 137, 3551, 4399, 5561, 7261, 9179, 11371, 294733, 486487, 602663, 761857, 40378421]

約数ペア:

[(1, 40378421), (53, 761857), (67, 602663), (83, 486487), (137, 294733), (3551, 11371), (4399, 9179), (5561, 7261)]