2781272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 5745600

約数和(自身を除く): 2964328

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 569, 611, 1138, 1222, 2276, 2444, 4552, 4888, 7397, 14794, 26743, 29588, 53486, 59176, 106972, 213944, 347659, 695318, 1390636, 2781272]

約数ペア:

[(1, 2781272), (2, 1390636), (4, 695318), (8, 347659), (13, 213944), (26, 106972), (47, 59176), (52, 53486), (94, 29588), (104, 26743), (188, 14794), (376, 7397), (569, 4888), (611, 4552), (1138, 2444), (1222, 2276)]