890110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 1778112

約数和(自身を除く): 888002

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 167, 205, 334, 410, 533, 835, 1066, 1670, 2171, 2665, 4342, 5330, 6847, 10855, 13694, 21710, 34235, 68470, 89011, 178022, 445055, 890110]

約数ペア:

[(1, 890110), (2, 445055), (5, 178022), (10, 89011), (13, 68470), (26, 34235), (41, 21710), (65, 13694), (82, 10855), (130, 6847), (167, 5330), (205, 4342), (334, 2665), (410, 2171), (533, 1670), (835, 1066)]