681382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 16

約数和(自身を含む): 1118880

約数和(自身を除く): 437498

約数列:

[1, 2, 13, 26, 73, 146, 359, 718, 949, 1898, 4667, 9334, 26207, 52414, 340691, 681382]

約数ペア:

[(1, 681382), (2, 340691), (13, 52414), (26, 26207), (73, 9334), (146, 4667), (359, 1898), (718, 949)]