687216165695

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{919}}^1\times {\mathrm{937}}^1$

素因数の和:2148

約数の個数: 64

約数和(自身を含む): 900308908800

約数和(自身を除く): 213092743105

約数列:

[1, 5, 17, 41, 85, 205, 229, 697, 919, 937, 1145, 3485, 3893, 4595, 4685, 9389, 15623, 15929, 19465, 37679, 38417, 46945, 78115, 79645, 159613, 188395, 192085, 210451, 214573, 640543, 653089, 798065, 861103, 1052255, 1072865, 3202715, 3265445, 3577667, 3647741, 4305515, 8628491, 8797493, 14638751, 17888335, 18238705, 35305223, 43142455, 43987465, 73193755, 146684347, 149557381, 176526115, 197192587, 600188791, 733421735, 747786905, 985962935, 3000943955, 3352273979, 8084896067, 16761369895, 40424480335, 137443233139, 687216165695]

約数ペア:

[(1, 687216165695), (5, 137443233139), (17, 40424480335), (41, 16761369895), (85, 8084896067), (205, 3352273979), (229, 3000943955), (697, 985962935), (919, 747786905), (937, 733421735), (1145, 600188791), (3485, 197192587), (3893, 176526115), (4595, 149557381), (4685, 146684347), (9389, 73193755), (15623, 43987465), (15929, 43142455), (19465, 35305223), (37679, 18238705), (38417, 17888335), (46945, 14638751), (78115, 8797493), (79645, 8628491), (159613, 4305515), (188395, 3647741), (192085, 3577667), (210451, 3265445), (214573, 3202715), (640543, 1072865), (653089, 1052255), (798065, 861103)]