31485944

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7919}}^1$

素因数の和:8003

約数の個数: 32

約数和(自身を含む): 68428800

約数和(自身を除く): 36942856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 7919, 15838, 31676, 55433, 63352, 110866, 221732, 443464, 562249, 1124498, 2248996, 3935743, 4497992, 7871486, 15742972, 31485944]

約数ペア:

[(1, 31485944), (2, 15742972), (4, 7871486), (7, 4497992), (8, 3935743), (14, 2248996), (28, 1124498), (56, 562249), (71, 443464), (142, 221732), (284, 110866), (497, 63352), (568, 55433), (994, 31676), (1988, 15838), (3976, 7919)]