128954881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 154224000

約数和(自身を除く): 25269119

約数列:

[1, 11, 19, 41, 101, 149, 209, 451, 779, 1111, 1639, 1919, 2831, 4141, 6109, 8569, 15049, 21109, 31141, 45551, 67199, 78679, 116071, 165539, 285931, 617009, 865469, 1276781, 3145241, 6787099, 11723171, 128954881]

約数ペア:

[(1, 128954881), (11, 11723171), (19, 6787099), (41, 3145241), (101, 1276781), (149, 865469), (209, 617009), (451, 285931), (779, 165539), (1111, 116071), (1639, 78679), (1919, 67199), (2831, 45551), (4141, 31141), (6109, 21109), (8569, 15049)]