81477404

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{14879}}^1$

素因数の和:14957

約数の個数: 18

約数和(自身を含む): 146553120

約数和(自身を除く): 65075716

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5476, 14879, 29758, 59516, 550523, 1101046, 2202092, 20369351, 40738702, 81477404]

約数ペア:

[(1, 81477404), (2, 40738702), (4, 20369351), (37, 2202092), (74, 1101046), (148, 550523), (1369, 59516), (2738, 29758), (5476, 14879)]