28078430

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{22109}}^1$

素因数の和:22243

約数の個数: 16

約数和(自身を含む): 50941440

約数和(自身を除く): 22863010

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 22109, 44218, 110545, 221090, 2807843, 5615686, 14039215, 28078430]

約数ペア:

[(1, 28078430), (2, 14039215), (5, 5615686), (10, 2807843), (127, 221090), (254, 110545), (635, 44218), (1270, 22109)]