1315991630

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{512059}}^1$

素因数の和:512323

約数の個数: 16

約数和(自身を含む): 2378006640

約数和(自身を除く): 1062015010

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 512059, 1024118, 2560295, 5120590, 131599163, 263198326, 657995815, 1315991630]

約数ペア:

[(1, 1315991630), (2, 657995815), (5, 263198326), (10, 131599163), (257, 5120590), (514, 2560295), (1285, 1024118), (2570, 512059)]