289898290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{64279}}^1$

素因数の和:64338

約数の個数: 32

約数和(自身を含む): 583148160

約数和(自身を除く): 293249870

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 64279, 128558, 321395, 642790, 707069, 1414138, 2635439, 3535345, 5270878, 7070690, 13177195, 26354390, 28989829, 57979658, 144949145, 289898290]

約数ペア:

[(1, 289898290), (2, 144949145), (5, 57979658), (10, 28989829), (11, 26354390), (22, 13177195), (41, 7070690), (55, 5270878), (82, 3535345), (110, 2635439), (205, 1414138), (410, 707069), (451, 642790), (902, 321395), (2255, 128558), (4510, 64279)]