80501905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 106791552

約数和(自身を除く): 26289647

約数列:

[1, 5, 11, 55, 121, 271, 491, 605, 1355, 2455, 2981, 5401, 14905, 27005, 32791, 59411, 133061, 163955, 297055, 665305, 1463671, 7318355, 16100381, 80501905]

約数ペア:

[(1, 80501905), (5, 16100381), (11, 7318355), (55, 1463671), (121, 665305), (271, 297055), (491, 163955), (605, 133061), (1355, 59411), (2455, 32791), (2981, 27005), (5401, 14905)]