888890

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:973

約数の個数: 16

約数和(自身を含む): 1617408

約数和(自身を除く): 728518

約数列:

[1, 2, 5, 10, 103, 206, 515, 863, 1030, 1726, 4315, 8630, 88889, 177778, 444445, 888890]

約数ペア:

[(1, 888890), (2, 444445), (5, 177778), (10, 88889), (103, 8630), (206, 4315), (515, 1726), (863, 1030)]