219611938

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{8681}}^1$

素因数の和:8842

約数の個数: 32

約数和(自身を含む): 408401280

約数和(自身を除く): 188789342

約数列:

[1, 2, 7, 13, 14, 26, 91, 139, 182, 278, 973, 1807, 1946, 3614, 8681, 12649, 17362, 25298, 60767, 112853, 121534, 225706, 789971, 1206659, 1579942, 2413318, 8446613, 15686567, 16893226, 31373134, 109805969, 219611938]

約数ペア:

[(1, 219611938), (2, 109805969), (7, 31373134), (13, 16893226), (14, 15686567), (26, 8446613), (91, 2413318), (139, 1579942), (182, 1206659), (278, 789971), (973, 225706), (1807, 121534), (1946, 112853), (3614, 60767), (8681, 25298), (12649, 17362)]