219956429

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{124199}}^1$

素因数の和:124240

約数の個数: 16

約数和(自身を含む): 286156800

約数和(自身を除く): 66200371

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 124199, 869393, 1366189, 2856577, 9563323, 19996039, 31422347, 219956429]

約数ペア:

[(1, 219956429), (7, 31422347), (11, 19996039), (23, 9563323), (77, 2856577), (161, 1366189), (253, 869393), (1771, 124199)]