28126266

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{669673}}^1$

素因数の和:669685

約数の個数: 16

約数和(自身を含む): 64288704

約数和(自身を除く): 36162438

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 669673, 1339346, 2009019, 4018038, 4687711, 9375422, 14063133, 28126266]

約数ペア:

[(1, 28126266), (2, 14063133), (3, 9375422), (6, 4687711), (7, 4018038), (14, 2009019), (21, 1339346), (42, 669673)]