28865890

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{5879}}^1$

素因数の和:6377

約数の個数: 16

約数和(自身を含む): 52073280

約数和(自身を除く): 23207390

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4910, 5879, 11758, 29395, 58790, 2886589, 5773178, 14432945, 28865890]

約数ペア:

[(1, 28865890), (2, 14432945), (5, 5773178), (10, 2886589), (491, 58790), (982, 29395), (2455, 11758), (4910, 5879)]