820728958

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1039}}^1\times {\mathrm{3319}}^1$

素因数の和:4384

約数の個数: 32

約数和(自身を含む): 1491609600

約数和(自身を除く): 670880642

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 1039, 2078, 3319, 6638, 7273, 14546, 17663, 23233, 35326, 46466, 56423, 112846, 123641, 247282, 394961, 789922, 3448441, 6896882, 24139087, 48278174, 58623497, 117246994, 410364479, 820728958]

約数ペア:

[(1, 820728958), (2, 410364479), (7, 117246994), (14, 58623497), (17, 48278174), (34, 24139087), (119, 6896882), (238, 3448441), (1039, 789922), (2078, 394961), (3319, 247282), (6638, 123641), (7273, 112846), (14546, 56423), (17663, 46466), (23233, 35326)]