15742972

素因数分解:

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

素因数の和:8001

約数の個数: 24

約数和(自身を含む): 31933440

約数和(自身を除く): 16190468

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 7919, 15838, 31676, 55433, 110866, 221732, 562249, 1124498, 2248996, 3935743, 7871486, 15742972]

約数ペア:

[(1, 15742972), (2, 7871486), (4, 3935743), (7, 2248996), (14, 1124498), (28, 562249), (71, 221732), (142, 110866), (284, 55433), (497, 31676), (994, 15838), (1988, 7919)]