642218095

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 830165760

約数和(自身を除く): 187947665

約数列:

[1, 5, 17, 85, 101, 239, 313, 505, 1195, 1565, 1717, 4063, 5321, 8585, 20315, 24139, 26605, 31613, 74807, 120695, 158065, 374035, 410363, 537421, 1271719, 2051815, 2687105, 6358595, 7555507, 37777535, 128443619, 642218095]

約数ペア:

[(1, 642218095), (5, 128443619), (17, 37777535), (85, 7555507), (101, 6358595), (239, 2687105), (313, 2051815), (505, 1271719), (1195, 537421), (1565, 410363), (1717, 374035), (4063, 158065), (5321, 120695), (8585, 74807), (20315, 31613), (24139, 26605)]