68071408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{607}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 136007168

約数和(自身を除く): 67935760

約数列:

[1, 2, 4, 8, 16, 43, 86, 163, 172, 326, 344, 607, 652, 688, 1214, 1304, 2428, 2608, 4856, 7009, 9712, 14018, 26101, 28036, 52202, 56072, 98941, 104404, 112144, 197882, 208808, 395764, 417616, 791528, 1583056, 4254463, 8508926, 17017852, 34035704, 68071408]

約数ペア:

[(1, 68071408), (2, 34035704), (4, 17017852), (8, 8508926), (16, 4254463), (43, 1583056), (86, 791528), (163, 417616), (172, 395764), (326, 208808), (344, 197882), (607, 112144), (652, 104404), (688, 98941), (1214, 56072), (1304, 52202), (2428, 28036), (2608, 26101), (4856, 14018), (7009, 9712)]