139858670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{64451}}^1$

素因数の和:64496

約数の個数: 32

約数和(自身を含む): 296994816

約数和(自身を除く): 157136146

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 64451, 128902, 322255, 451157, 644510, 902314, 1997981, 2255785, 3995962, 4511570, 9989905, 13985867, 19979810, 27971734, 69929335, 139858670]

約数ペア:

[(1, 139858670), (2, 69929335), (5, 27971734), (7, 19979810), (10, 13985867), (14, 9989905), (31, 4511570), (35, 3995962), (62, 2255785), (70, 1997981), (155, 902314), (217, 644510), (310, 451157), (434, 322255), (1085, 128902), (2170, 64451)]