420930812

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{364127}}^1$

素因数の和:364165

約数の個数: 18

約数和(自身を含む): 782511072

約数和(自身を除く): 361580260

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 364127, 728254, 1456508, 6190159, 12380318, 24760636, 105232703, 210465406, 420930812]

約数ペア:

[(1, 420930812), (2, 210465406), (4, 105232703), (17, 24760636), (34, 12380318), (68, 6190159), (289, 1456508), (578, 728254), (1156, 364127)]