81003664

素因数分解:

$2^4\times 7^2\times {\mathrm{277}}^1\times {\mathrm{373}}^1$

素因数の和:672

約数の個数: 60

約数和(自身を含む): 183718524

約数和(自身を除く): 102714860

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 277, 373, 392, 554, 746, 784, 1108, 1492, 1939, 2216, 2611, 2984, 3878, 4432, 5222, 5968, 7756, 10444, 13573, 15512, 18277, 20888, 27146, 31024, 36554, 41776, 54292, 73108, 103321, 108584, 146216, 206642, 217168, 292432, 413284, 723247, 826568, 1446494, 1653136, 2892988, 5062729, 5785976, 10125458, 11571952, 20250916, 40501832, 81003664]

約数ペア:

[(1, 81003664), (2, 40501832), (4, 20250916), (7, 11571952), (8, 10125458), (14, 5785976), (16, 5062729), (28, 2892988), (49, 1653136), (56, 1446494), (98, 826568), (112, 723247), (196, 413284), (277, 292432), (373, 217168), (392, 206642), (554, 146216), (746, 108584), (784, 103321), (1108, 73108), (1492, 54292), (1939, 41776), (2216, 36554), (2611, 31024), (2984, 27146), (3878, 20888), (4432, 18277), (5222, 15512), (5968, 13573), (7756, 10444)]