2787228

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:706

約数の個数: 36

約数和(自身を含む): 7108920

約数和(自身を除く): 4321692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 557, 834, 1114, 1251, 1668, 1671, 2228, 2502, 3342, 5004, 5013, 6684, 10026, 20052, 77423, 154846, 232269, 309692, 464538, 696807, 929076, 1393614, 2787228]

約数ペア:

[(1, 2787228), (2, 1393614), (3, 929076), (4, 696807), (6, 464538), (9, 309692), (12, 232269), (18, 154846), (36, 77423), (139, 20052), (278, 10026), (417, 6684), (556, 5013), (557, 5004), (834, 3342), (1114, 2502), (1251, 2228), (1668, 1671)]