71293072

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 140886072

約数和(自身を除く): 69593000

約数列:

[1, 2, 4, 8, 16, 101, 157, 202, 281, 314, 404, 562, 628, 808, 1124, 1256, 1616, 2248, 2512, 4496, 15857, 28381, 31714, 44117, 56762, 63428, 88234, 113524, 126856, 176468, 227048, 253712, 352936, 454096, 705872, 4455817, 8911634, 17823268, 35646536, 71293072]

約数ペア:

[(1, 71293072), (2, 35646536), (4, 17823268), (8, 8911634), (16, 4455817), (101, 705872), (157, 454096), (202, 352936), (281, 253712), (314, 227048), (404, 176468), (562, 126856), (628, 113524), (808, 88234), (1124, 63428), (1256, 56762), (1616, 44117), (2248, 31714), (2512, 28381), (4496, 15857)]