280937056

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 561405600

約数和(自身を除く): 280468544

約数列:

[1, 2, 4, 8, 16, 32, 157, 199, 281, 314, 398, 562, 628, 796, 1124, 1256, 1592, 2248, 2512, 3184, 4496, 5024, 6368, 8992, 31243, 44117, 55919, 62486, 88234, 111838, 124972, 176468, 223676, 249944, 352936, 447352, 499888, 705872, 894704, 999776, 1411744, 1789408, 8779283, 17558566, 35117132, 70234264, 140468528, 280937056]

約数ペア:

[(1, 280937056), (2, 140468528), (4, 70234264), (8, 35117132), (16, 17558566), (32, 8779283), (157, 1789408), (199, 1411744), (281, 999776), (314, 894704), (398, 705872), (562, 499888), (628, 447352), (796, 352936), (1124, 249944), (1256, 223676), (1592, 176468), (2248, 124972), (2512, 111838), (3184, 88234), (4496, 62486), (5024, 55919), (6368, 44117), (8992, 31243)]