28198654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 19908866

約数列:

[1, 2, 11, 22, 31, 62, 173, 239, 341, 346, 478, 682, 1903, 2629, 3806, 5258, 5363, 7409, 10726, 14818, 41347, 58993, 81499, 82694, 117986, 162998, 454817, 909634, 1281757, 2563514, 14099327, 28198654]

約数ペア:

[(1, 28198654), (2, 14099327), (11, 2563514), (22, 1281757), (31, 909634), (62, 454817), (173, 162998), (239, 117986), (341, 82694), (346, 81499), (478, 58993), (682, 41347), (1903, 14818), (2629, 10726), (3806, 7409), (5258, 5363)]