490475518

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{9739}}^1$

素因数の和:9916

約数の個数: 24

約数和(自身を含む): 802089000

約数和(自身を除く): 311613482

約数列:

[1, 2, 13, 26, 149, 169, 298, 338, 1937, 3874, 9739, 19478, 25181, 50362, 126607, 253214, 1451111, 1645891, 2902222, 3291782, 18864443, 37728886, 245237759, 490475518]

約数ペア:

[(1, 490475518), (2, 245237759), (13, 37728886), (26, 18864443), (149, 3291782), (169, 2902222), (298, 1645891), (338, 1451111), (1937, 253214), (3874, 126607), (9739, 50362), (19478, 25181)]