216171739

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{2797}}^1$

素因数の和:3046

約数の個数: 16

約数和(自身を含む): 252581056

約数和(自身を除く): 36409317

約数列:

[1, 7, 61, 181, 427, 1267, 2797, 11041, 19579, 77287, 170617, 506257, 1194319, 3543799, 30881677, 216171739]

約数ペア:

[(1, 216171739), (7, 30881677), (61, 3543799), (181, 1194319), (427, 506257), (1267, 170617), (2797, 77287), (11041, 19579)]