178221134

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139891}}^1$

素因数の和:139920

約数の個数: 24

約数和(自身を含む): 334901448

約数和(自身を除く): 156680314

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 139891, 279782, 979237, 1818583, 1958474, 3637166, 6854659, 12730081, 13709318, 25460162, 89110567, 178221134]

約数ペア:

[(1, 178221134), (2, 89110567), (7, 25460162), (13, 13709318), (14, 12730081), (26, 6854659), (49, 3637166), (91, 1958474), (98, 1818583), (182, 979237), (637, 279782), (1274, 139891)]