30800728

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{12791}}^1$

素因数の和:12847

約数の個数: 32

約数和(自身を含む): 67541760

約数和(自身を除く): 36741032

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 12791, 25582, 51164, 89537, 102328, 179074, 358148, 550013, 716296, 1100026, 2200052, 3850091, 4400104, 7700182, 15400364, 30800728]

約数ペア:

[(1, 30800728), (2, 15400364), (4, 7700182), (7, 4400104), (8, 3850091), (14, 2200052), (28, 1100026), (43, 716296), (56, 550013), (86, 358148), (172, 179074), (301, 102328), (344, 89537), (602, 51164), (1204, 25582), (2408, 12791)]