81438

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{277}}^1$

素因数の和:296

約数の個数: 24

約数和(自身を含む): 190152

約数和(自身を除く): 108714

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 277, 294, 554, 831, 1662, 1939, 3878, 5817, 11634, 13573, 27146, 40719, 81438]

約数ペア:

[(1, 81438), (2, 40719), (3, 27146), (6, 13573), (7, 11634), (14, 5817), (21, 3878), (42, 1939), (49, 1662), (98, 831), (147, 554), (277, 294)]