172215172

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{2789}}^1$

素因数の和:3195

約数の個数: 24

約数和(自身を含む): 309355200

約数和(自身を除く): 137140028

約数列:

[1, 2, 4, 43, 86, 172, 359, 718, 1436, 2789, 5578, 11156, 15437, 30874, 61748, 119927, 239854, 479708, 1001251, 2002502, 4005004, 43053793, 86107586, 172215172]

約数ペア:

[(1, 172215172), (2, 86107586), (4, 43053793), (43, 4005004), (86, 2002502), (172, 1001251), (359, 479708), (718, 239854), (1436, 119927), (2789, 61748), (5578, 30874), (11156, 15437)]