890122136

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{16649}}^1$

素因数の和:16859

約数の個数: 32

約数和(自身を含む): 1720278000

約数和(自身を除く): 830155864

約数列:

[1, 2, 4, 8, 41, 82, 163, 164, 326, 328, 652, 1304, 6683, 13366, 16649, 26732, 33298, 53464, 66596, 133192, 682609, 1365218, 2713787, 2730436, 5427574, 5460872, 10855148, 21710296, 111265267, 222530534, 445061068, 890122136]

約数ペア:

[(1, 890122136), (2, 445061068), (4, 222530534), (8, 111265267), (41, 21710296), (82, 10855148), (163, 5460872), (164, 5427574), (326, 2730436), (328, 2713787), (652, 1365218), (1304, 682609), (6683, 133192), (13366, 66596), (16649, 53464), (26732, 33298)]