216462337

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 272518400

約数和(自身を除く): 56056063

約数列:

[1, 7, 13, 91, 109, 139, 157, 763, 973, 1099, 1417, 1807, 2041, 9919, 12649, 14287, 15151, 17113, 21823, 106057, 119791, 152761, 196963, 222469, 283699, 1378741, 1557283, 1985893, 2378707, 16650949, 30923191, 216462337]

約数ペア:

[(1, 216462337), (7, 30923191), (13, 16650949), (91, 2378707), (109, 1985893), (139, 1557283), (157, 1378741), (763, 283699), (973, 222469), (1099, 196963), (1417, 152761), (1807, 119791), (2041, 106057), (9919, 21823), (12649, 17113), (14287, 15151)]