65144828

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 135657984

約数和(自身を除く): 70513156

約数列:

[1, 2, 4, 7, 14, 28, 43, 61, 86, 122, 172, 244, 301, 427, 602, 854, 887, 1204, 1708, 1774, 2623, 3548, 5246, 6209, 10492, 12418, 18361, 24836, 36722, 38141, 54107, 73444, 76282, 108214, 152564, 216428, 266987, 378749, 533974, 757498, 1067948, 1514996, 2326601, 4653202, 9306404, 16286207, 32572414, 65144828]

約数ペア:

[(1, 65144828), (2, 32572414), (4, 16286207), (7, 9306404), (14, 4653202), (28, 2326601), (43, 1514996), (61, 1067948), (86, 757498), (122, 533974), (172, 378749), (244, 266987), (301, 216428), (427, 152564), (602, 108214), (854, 76282), (887, 73444), (1204, 54107), (1708, 38141), (1774, 36722), (2623, 24836), (3548, 18361), (5246, 12418), (6209, 10492)]