2227784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 4650240

約数和(自身を除く): 2422456

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 691, 806, 1382, 1612, 2764, 3224, 5528, 8983, 17966, 21421, 35932, 42842, 71864, 85684, 171368, 278473, 556946, 1113892, 2227784]

約数ペア:

[(1, 2227784), (2, 1113892), (4, 556946), (8, 278473), (13, 171368), (26, 85684), (31, 71864), (52, 42842), (62, 35932), (104, 21421), (124, 17966), (248, 8983), (403, 5528), (691, 3224), (806, 2764), (1382, 1612)]