140890505

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{129853}}^1$

素因数の和:129896

約数の個数: 16

約数和(自身を含む): 199455744

約数和(自身を除く): 58565239

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 129853, 649265, 908971, 4025443, 4544855, 20127215, 28178101, 140890505]

約数ペア:

[(1, 140890505), (5, 28178101), (7, 20127215), (31, 4544855), (35, 4025443), (155, 908971), (217, 649265), (1085, 129853)]