680979455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15031}}^1$

素因数の和:15107

約数の個数: 32

約数和(自身を含む): 954592128

約数和(自身を除く): 273612673

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 533, 697, 1105, 2665, 3485, 9061, 15031, 45305, 75155, 195403, 255527, 616271, 977015, 1277635, 3081355, 3321851, 8011523, 10476607, 16609255, 40057615, 52383035, 136195891, 680979455]

約数ペア:

[(1, 680979455), (5, 136195891), (13, 52383035), (17, 40057615), (41, 16609255), (65, 10476607), (85, 8011523), (205, 3321851), (221, 3081355), (533, 1277635), (697, 977015), (1105, 616271), (2665, 255527), (3485, 195403), (9061, 75155), (15031, 45305)]