51720290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{991}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 98993664

約数和(自身を除く): 47273374

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 307, 614, 991, 1535, 1982, 3070, 4955, 5219, 9910, 10438, 16847, 26095, 33694, 52190, 84235, 168470, 304237, 608474, 1521185, 3042370, 5172029, 10344058, 25860145, 51720290]

約数ペア:

[(1, 51720290), (2, 25860145), (5, 10344058), (10, 5172029), (17, 3042370), (34, 1521185), (85, 608474), (170, 304237), (307, 168470), (614, 84235), (991, 52190), (1535, 33694), (1982, 26095), (3070, 16847), (4955, 10438), (5219, 9910)]