2005693921

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 2606204160

約数和(自身を除く): 600510239

約数列:

[1, 7, 11, 49, 77, 83, 107, 419, 539, 581, 749, 913, 1177, 2933, 4067, 4609, 5243, 6391, 8239, 8881, 20531, 32263, 34777, 44737, 44833, 57673, 62167, 97691, 225841, 243439, 313831, 382547, 435169, 493163, 683837, 1704073, 2196817, 2677829, 3452141, 3721139, 4786859, 18744803, 24164987, 26047973, 40932529, 182335811, 286527703, 2005693921]

約数ペア:

[(1, 2005693921), (7, 286527703), (11, 182335811), (49, 40932529), (77, 26047973), (83, 24164987), (107, 18744803), (419, 4786859), (539, 3721139), (581, 3452141), (749, 2677829), (913, 2196817), (1177, 1704073), (2933, 683837), (4067, 493163), (4609, 435169), (5243, 382547), (6391, 313831), (8239, 243439), (8881, 225841), (20531, 97691), (32263, 62167), (34777, 57673), (44737, 44833)]