40242938

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1\times {\mathrm{571}}^1$

素因数の和:973

約数の個数: 16

約数和(自身を含む): 61158240

約数和(自身を除く): 20915302

約数列:

[1, 2, 131, 262, 269, 538, 571, 1142, 35239, 70478, 74801, 149602, 153599, 307198, 20121469, 40242938]

約数ペア:

[(1, 40242938), (2, 20121469), (131, 307198), (262, 153599), (269, 149602), (538, 74801), (571, 70478), (1142, 35239)]