1285278617

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{420163}}^1$

素因数の和:420212

約数の個数: 16

約数和(自身を含む): 1613429760

約数和(自身を除く): 328151143

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 420163, 2941141, 7983097, 9663749, 55881679, 67646243, 183611231, 1285278617]

約数ペア:

[(1, 1285278617), (7, 183611231), (19, 67646243), (23, 55881679), (133, 9663749), (161, 7983097), (437, 2941141), (3059, 420163)]