2678896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 5856768

約数和(自身を除く): 3177872

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 491, 496, 682, 982, 1364, 1964, 2728, 3928, 5401, 5456, 7856, 10802, 15221, 21604, 30442, 43208, 60884, 86416, 121768, 167431, 243536, 334862, 669724, 1339448, 2678896]

約数ペア:

[(1, 2678896), (2, 1339448), (4, 669724), (8, 334862), (11, 243536), (16, 167431), (22, 121768), (31, 86416), (44, 60884), (62, 43208), (88, 30442), (124, 21604), (176, 15221), (248, 10802), (341, 7856), (491, 5456), (496, 5401), (682, 3928), (982, 2728), (1364, 1964)]