16988825

素因数分解:

$5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{503}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 24248448

約数和(自身を除く): 7259623

約数列:

[1, 5, 7, 25, 35, 175, 193, 503, 965, 1351, 2515, 3521, 4825, 6755, 12575, 17605, 33775, 88025, 97079, 485395, 679553, 2426975, 3397765, 16988825]

約数ペア:

[(1, 16988825), (5, 3397765), (7, 2426975), (25, 679553), (35, 485395), (175, 97079), (193, 88025), (503, 33775), (965, 17605), (1351, 12575), (2515, 6755), (3521, 4825)]