287704284

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{69899}}^1$

素因数の和:69927

約数の個数: 48

約数和(自身を含む): 782880000

約数和(自身を除く): 495175716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 69899, 139798, 209697, 279596, 419394, 489293, 838788, 978586, 1467879, 1957172, 2935758, 3425051, 5871516, 6850102, 10275153, 13700204, 20550306, 23975357, 41100612, 47950714, 71926071, 95901428, 143852142, 287704284]

約数ペア:

[(1, 287704284), (2, 143852142), (3, 95901428), (4, 71926071), (6, 47950714), (7, 41100612), (12, 23975357), (14, 20550306), (21, 13700204), (28, 10275153), (42, 6850102), (49, 5871516), (84, 3425051), (98, 2935758), (147, 1957172), (196, 1467879), (294, 978586), (343, 838788), (588, 489293), (686, 419394), (1029, 279596), (1372, 209697), (2058, 139798), (4116, 69899)]