920428223

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{523}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 1121175552

約数和(自身を除く): 200747329

約数列:

[1, 11, 13, 31, 143, 341, 397, 403, 523, 4367, 4433, 5161, 5753, 6799, 12307, 16213, 56771, 74789, 135377, 159991, 178343, 207631, 210769, 1759901, 2283941, 2318459, 2699203, 6436561, 29691233, 70802171, 83675293, 920428223]

約数ペア:

[(1, 920428223), (11, 83675293), (13, 70802171), (31, 29691233), (143, 6436561), (341, 2699203), (397, 2318459), (403, 2283941), (523, 1759901), (4367, 210769), (4433, 207631), (5161, 178343), (5753, 159991), (6799, 135377), (12307, 74789), (16213, 56771)]