42007505

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 51435648

約数和(自身を除く): 9428143

約数列:

[1, 5, 71, 241, 355, 491, 1205, 2455, 17111, 34861, 85555, 118331, 174305, 591655, 8401501, 42007505]

約数ペア:

[(1, 42007505), (5, 8401501), (71, 591655), (241, 174305), (355, 118331), (491, 85555), (1205, 34861), (2455, 17111)]