861397242

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8539}}^1$

素因数の和:8627

約数の個数: 64

約数和(自身を含む): 1947939840

約数和(自身を除く): 1086542598

約数列:

[1, 2, 3, 6, 17, 23, 34, 43, 46, 51, 69, 86, 102, 129, 138, 258, 391, 731, 782, 989, 1173, 1462, 1978, 2193, 2346, 2967, 4386, 5934, 8539, 16813, 17078, 25617, 33626, 50439, 51234, 100878, 145163, 196397, 290326, 367177, 392794, 435489, 589191, 734354, 870978, 1101531, 1178382, 2203062, 3338749, 6242009, 6677498, 8445071, 10016247, 12484018, 16890142, 18726027, 20032494, 25335213, 37452054, 50670426, 143566207, 287132414, 430698621, 861397242]

約数ペア:

[(1, 861397242), (2, 430698621), (3, 287132414), (6, 143566207), (17, 50670426), (23, 37452054), (34, 25335213), (43, 20032494), (46, 18726027), (51, 16890142), (69, 12484018), (86, 10016247), (102, 8445071), (129, 6677498), (138, 6242009), (258, 3338749), (391, 2203062), (731, 1178382), (782, 1101531), (989, 870978), (1173, 734354), (1462, 589191), (1978, 435489), (2193, 392794), (2346, 367177), (2967, 290326), (4386, 196397), (5934, 145163), (8539, 100878), (16813, 51234), (17078, 50439), (25617, 33626)]