81656692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 160629840

約数和(自身を除く): 78973148

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 173, 313, 346, 377, 626, 692, 754, 1252, 1508, 2249, 4069, 4498, 5017, 8138, 8996, 9077, 10034, 16276, 18154, 20068, 36308, 54149, 65221, 108298, 118001, 130442, 216596, 236002, 260884, 472004, 703937, 1407874, 1570321, 2815748, 3140642, 6281284, 20414173, 40828346, 81656692]

約数ペア:

[(1, 81656692), (2, 40828346), (4, 20414173), (13, 6281284), (26, 3140642), (29, 2815748), (52, 1570321), (58, 1407874), (116, 703937), (173, 472004), (313, 260884), (346, 236002), (377, 216596), (626, 130442), (692, 118001), (754, 108298), (1252, 65221), (1508, 54149), (2249, 36308), (4069, 20068), (4498, 18154), (5017, 16276), (8138, 10034), (8996, 9077)]