16287865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 22643712

約数和(自身を除く): 6355847

約数列:

[1, 5, 11, 31, 41, 55, 155, 205, 233, 341, 451, 1165, 1271, 1705, 2255, 2563, 6355, 7223, 9553, 12815, 13981, 36115, 47765, 69905, 79453, 105083, 296143, 397265, 525415, 1480715, 3257573, 16287865]

約数ペア:

[(1, 16287865), (5, 3257573), (11, 1480715), (31, 525415), (41, 397265), (55, 296143), (155, 105083), (205, 79453), (233, 69905), (341, 47765), (451, 36115), (1165, 13981), (1271, 12815), (1705, 9553), (2255, 7223), (2563, 6355)]