16890365

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 20785152

約数和(自身を除く): 3894787

約数列:

[1, 5, 67, 127, 335, 397, 635, 1985, 8509, 26599, 42545, 50419, 132995, 252095, 3378073, 16890365]

約数ペア:

[(1, 16890365), (5, 3378073), (67, 252095), (127, 132995), (335, 50419), (397, 42545), (635, 26599), (1985, 8509)]