28425543

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 12493497

約数列:

[1, 3, 31, 53, 73, 79, 93, 159, 219, 237, 1643, 2263, 2449, 3869, 4187, 4929, 5767, 6789, 7347, 11607, 12561, 17301, 119939, 129797, 178777, 305651, 359817, 389391, 536331, 916953, 9475181, 28425543]

約数ペア:

[(1, 28425543), (3, 9475181), (31, 916953), (53, 536331), (73, 389391), (79, 359817), (93, 305651), (159, 178777), (219, 129797), (237, 119939), (1643, 17301), (2263, 12561), (2449, 11607), (3869, 7347), (4187, 6789), (4929, 5767)]