28289758

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{2273}}^1$

素因数の和:2416

約数の個数: 24

約数和(自身を含む): 49773312

約数和(自身を除く): 21483554

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1778, 2273, 4546, 6223, 12446, 15911, 31822, 111377, 222754, 288671, 577342, 2020697, 4041394, 14144879, 28289758]

約数ペア:

[(1, 28289758), (2, 14144879), (7, 4041394), (14, 2020697), (49, 577342), (98, 288671), (127, 222754), (254, 111377), (889, 31822), (1778, 15911), (2273, 12446), (4546, 6223)]