215577425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 325907712

約数和(自身を除く): 110330287

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 233, 311, 425, 595, 1165, 1555, 1631, 2177, 2975, 3961, 5287, 5825, 7775, 8155, 10885, 19805, 26435, 27727, 37009, 40775, 54425, 72463, 99025, 132175, 138635, 185045, 362315, 507241, 693175, 925225, 1231871, 1811575, 2536205, 6159355, 8623097, 12681025, 30796775, 43115485, 215577425]

約数ペア:

[(1, 215577425), (5, 43115485), (7, 30796775), (17, 12681025), (25, 8623097), (35, 6159355), (85, 2536205), (119, 1811575), (175, 1231871), (233, 925225), (311, 693175), (425, 507241), (595, 362315), (1165, 185045), (1555, 138635), (1631, 132175), (2177, 99025), (2975, 72463), (3961, 54425), (5287, 40775), (5825, 37009), (7775, 27727), (8155, 26435), (10885, 19805)]