998660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 2370816

約数和(自身を除く): 1372156

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 167, 230, 260, 299, 334, 460, 598, 668, 835, 1196, 1495, 1670, 2171, 2990, 3340, 3841, 4342, 5980, 7682, 8684, 10855, 15364, 19205, 21710, 38410, 43420, 49933, 76820, 99866, 199732, 249665, 499330, 998660]

約数ペア:

[(1, 998660), (2, 499330), (4, 249665), (5, 199732), (10, 99866), (13, 76820), (20, 49933), (23, 43420), (26, 38410), (46, 21710), (52, 19205), (65, 15364), (92, 10855), (115, 8684), (130, 7682), (167, 5980), (230, 4342), (260, 3841), (299, 3340), (334, 2990), (460, 2171), (598, 1670), (668, 1495), (835, 1196)]