668645095

素因数分解:

$5^1\times {\mathrm{61}}^2\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 827478288

約数和(自身を除く): 158833193

約数列:

[1, 5, 61, 83, 305, 415, 433, 2165, 3721, 5063, 18605, 25315, 26413, 35939, 132065, 179695, 308843, 1544215, 1611193, 2192279, 8055965, 10961395, 133729019, 668645095]

約数ペア:

[(1, 668645095), (5, 133729019), (61, 10961395), (83, 8055965), (305, 2192279), (415, 1611193), (433, 1544215), (2165, 308843), (3721, 179695), (5063, 132065), (18605, 35939), (25315, 26413)]