15691478768

素因数分解:

$2^4\times 7^1\times {\mathrm{140102489}}^1$

素因数の和:140102504

約数の個数: 20

約数和(自身を含む): 34745417520

約数和(自身を除く): 19053938752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 140102489, 280204978, 560409956, 980717423, 1120819912, 1961434846, 2241639824, 3922869692, 7845739384, 15691478768]

約数ペア:

[(1, 15691478768), (2, 7845739384), (4, 3922869692), (7, 2241639824), (8, 1961434846), (14, 1120819912), (16, 980717423), (28, 560409956), (56, 280204978), (112, 140102489)]