205353145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 265982976

約数和(自身を除く): 60629831

約数列:

[1, 5, 31, 37, 61, 155, 185, 305, 587, 1147, 1891, 2257, 2935, 5735, 9455, 11285, 18197, 21719, 35807, 69967, 90985, 108595, 179035, 349835, 673289, 1110017, 1324859, 3366445, 5550085, 6624295, 41070629, 205353145]

約数ペア:

[(1, 205353145), (5, 41070629), (31, 6624295), (37, 5550085), (61, 3366445), (155, 1324859), (185, 1110017), (305, 673289), (587, 349835), (1147, 179035), (1891, 108595), (2257, 90985), (2935, 69967), (5735, 35807), (9455, 21719), (11285, 18197)]