28778875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 39424320

約数和(自身を除く): 10645445

約数列:

[1, 5, 17, 25, 29, 85, 125, 145, 425, 467, 493, 725, 2125, 2335, 2465, 3625, 7939, 11675, 12325, 13543, 39695, 58375, 61625, 67715, 198475, 230231, 338575, 992375, 1151155, 1692875, 5755775, 28778875]

約数ペア:

[(1, 28778875), (5, 5755775), (17, 1692875), (25, 1151155), (29, 992375), (85, 338575), (125, 230231), (145, 198475), (425, 67715), (467, 61625), (493, 58375), (725, 39695), (2125, 13543), (2335, 12325), (2465, 11675), (3625, 7939)]