221146978

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{28447}}^1$

素因数の和:28498

約数の個数: 24

約数和(自身を含む): 374830848

約数和(自身を除く): 153683870

約数列:

[1, 2, 13, 23, 26, 46, 169, 299, 338, 598, 3887, 7774, 28447, 56894, 369811, 654281, 739622, 1308562, 4807543, 8505653, 9615086, 17011306, 110573489, 221146978]

約数ペア:

[(1, 221146978), (2, 110573489), (13, 17011306), (23, 9615086), (26, 8505653), (46, 4807543), (169, 1308562), (299, 739622), (338, 654281), (598, 369811), (3887, 56894), (7774, 28447)]