81578238

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{4703}}^1$

素因数の和:4781

約数の個数: 48

約数和(自身を含む): 193052160

約数和(自身を除く): 111473922

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 59, 98, 118, 147, 177, 294, 354, 413, 826, 1239, 2478, 2891, 4703, 5782, 8673, 9406, 14109, 17346, 28218, 32921, 65842, 98763, 197526, 230447, 277477, 460894, 554954, 691341, 832431, 1382682, 1664862, 1942339, 3884678, 5827017, 11654034, 13596373, 27192746, 40789119, 81578238]

約数ペア:

[(1, 81578238), (2, 40789119), (3, 27192746), (6, 13596373), (7, 11654034), (14, 5827017), (21, 3884678), (42, 1942339), (49, 1664862), (59, 1382682), (98, 832431), (118, 691341), (147, 554954), (177, 460894), (294, 277477), (354, 230447), (413, 197526), (826, 98763), (1239, 65842), (2478, 32921), (2891, 28218), (4703, 17346), (5782, 14109), (8673, 9406)]