399464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 846720

約数和(自身を除く): 447256

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 167, 184, 299, 334, 598, 668, 1196, 1336, 2171, 2392, 3841, 4342, 7682, 8684, 15364, 17368, 30728, 49933, 99866, 199732, 399464]

約数ペア:

[(1, 399464), (2, 199732), (4, 99866), (8, 49933), (13, 30728), (23, 17368), (26, 15364), (46, 8684), (52, 7682), (92, 4342), (104, 3841), (167, 2392), (184, 2171), (299, 1336), (334, 1196), (598, 668)]