19950199295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{121171}}^1$

素因数の和:121355

約数の個数: 32

約数和(自身を含む): 27481809600

約数和(自身を除く): 7531610305

約数列:

[1, 5, 13, 17, 65, 85, 149, 221, 745, 1105, 1937, 2533, 9685, 12665, 32929, 121171, 164645, 605855, 1575223, 2059907, 7876115, 10299535, 18054479, 26778791, 90272395, 133893955, 234708227, 306926143, 1173541135, 1534630715, 3990039859, 19950199295]

約数ペア:

[(1, 19950199295), (5, 3990039859), (13, 1534630715), (17, 1173541135), (65, 306926143), (85, 234708227), (149, 133893955), (221, 90272395), (745, 26778791), (1105, 18054479), (1937, 10299535), (2533, 7876115), (9685, 2059907), (12665, 1575223), (32929, 605855), (121171, 164645)]