31103534

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 72

約数和(自身を含む): 62042904

約数和(自身を除く): 30939370

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 61, 77, 86, 98, 121, 122, 154, 242, 301, 427, 473, 539, 602, 671, 847, 854, 946, 1078, 1342, 1694, 2107, 2623, 2989, 3311, 4214, 4697, 5203, 5246, 5929, 5978, 6622, 7381, 9394, 10406, 11858, 14762, 18361, 23177, 28853, 32879, 36421, 36722, 46354, 51667, 57706, 65758, 72842, 103334, 128527, 201971, 254947, 257054, 317383, 361669, 403942, 509894, 634766, 723338, 1413797, 2221681, 2827594, 4443362, 15551767, 31103534]

約数ペア:

[(1, 31103534), (2, 15551767), (7, 4443362), (11, 2827594), (14, 2221681), (22, 1413797), (43, 723338), (49, 634766), (61, 509894), (77, 403942), (86, 361669), (98, 317383), (121, 257054), (122, 254947), (154, 201971), (242, 128527), (301, 103334), (427, 72842), (473, 65758), (539, 57706), (602, 51667), (671, 46354), (847, 36722), (854, 36421), (946, 32879), (1078, 28853), (1342, 23177), (1694, 18361), (2107, 14762), (2623, 11858), (2989, 10406), (3311, 9394), (4214, 7381), (4697, 6622), (5203, 5978), (5246, 5929)]