399202016

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 797116320

約数和(自身を除く): 397914304

約数列:

[1, 2, 4, 8, 16, 32, 157, 181, 314, 362, 439, 628, 724, 878, 1256, 1448, 1756, 2512, 2896, 3512, 5024, 5792, 7024, 14048, 28417, 56834, 68923, 79459, 113668, 137846, 158918, 227336, 275692, 317836, 454672, 551384, 635672, 909344, 1102768, 1271344, 2205536, 2542688, 12475063, 24950126, 49900252, 99800504, 199601008, 399202016]

約数ペア:

[(1, 399202016), (2, 199601008), (4, 99800504), (8, 49900252), (16, 24950126), (32, 12475063), (157, 2542688), (181, 2205536), (314, 1271344), (362, 1102768), (439, 909344), (628, 635672), (724, 551384), (878, 454672), (1256, 317836), (1448, 275692), (1756, 227336), (2512, 158918), (2896, 137846), (3512, 113668), (5024, 79459), (5792, 68923), (7024, 56834), (14048, 28417)]