219730952

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{12781}}^1$

素因数の和:13101

約数の個数: 32

約数和(自身を含む): 472422720

約数和(自身を除く): 252691768

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1228, 2149, 2456, 4298, 8596, 12781, 17192, 25562, 51124, 89467, 102248, 178934, 357868, 715736, 3923767, 7847534, 15695068, 27466369, 31390136, 54932738, 109865476, 219730952]

約数ペア:

[(1, 219730952), (2, 109865476), (4, 54932738), (7, 31390136), (8, 27466369), (14, 15695068), (28, 7847534), (56, 3923767), (307, 715736), (614, 357868), (1228, 178934), (2149, 102248), (2456, 89467), (4298, 51124), (8596, 25562), (12781, 17192)]