642001921

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1171}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 740722752

約数和(自身を除く): 98720831

約数列:

[1, 11, 23, 121, 197, 253, 1171, 2167, 2783, 4531, 12881, 23837, 26933, 49841, 141691, 230687, 296263, 548251, 2537557, 3258893, 5305801, 27913127, 58363811, 642001921]

約数ペア:

[(1, 642001921), (11, 58363811), (23, 27913127), (121, 5305801), (197, 3258893), (253, 2537557), (1171, 548251), (2167, 296263), (2783, 230687), (4531, 141691), (12881, 49841), (23837, 26933)]