1988924805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{32051}}^1$

素因数の和:32266

約数の個数: 48

約数和(自身を含む): 3960088704

約数和(自身を除く): 1971163899

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 197, 315, 591, 985, 1379, 1773, 2955, 4137, 6895, 8865, 12411, 20685, 32051, 62055, 96153, 160255, 224357, 288459, 480765, 673071, 1121785, 1442295, 2019213, 3365355, 6314047, 10096065, 18942141, 31570235, 44198329, 56826423, 94710705, 132594987, 220991645, 284132115, 397784961, 662974935, 1988924805]

約数ペア:

[(1, 1988924805), (3, 662974935), (5, 397784961), (7, 284132115), (9, 220991645), (15, 132594987), (21, 94710705), (35, 56826423), (45, 44198329), (63, 31570235), (105, 18942141), (197, 10096065), (315, 6314047), (591, 3365355), (985, 2019213), (1379, 1442295), (1773, 1121785), (2955, 673071), (4137, 480765), (6895, 288459), (8865, 224357), (12411, 160255), (20685, 96153), (32051, 62055)]