81282344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 180411840

約数和(自身を除く): 99129496

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 227, 286, 313, 454, 572, 626, 908, 1144, 1252, 1816, 2497, 2504, 2951, 3443, 4069, 4994, 5902, 6886, 8138, 9988, 11804, 13772, 16276, 19976, 23608, 27544, 32461, 32552, 44759, 64922, 71051, 89518, 129844, 142102, 179036, 259688, 284204, 358072, 568408, 781561, 923663, 1563122, 1847326, 3126244, 3694652, 6252488, 7389304, 10160293, 20320586, 40641172, 81282344]

約数ペア:

[(1, 81282344), (2, 40641172), (4, 20320586), (8, 10160293), (11, 7389304), (13, 6252488), (22, 3694652), (26, 3126244), (44, 1847326), (52, 1563122), (88, 923663), (104, 781561), (143, 568408), (227, 358072), (286, 284204), (313, 259688), (454, 179036), (572, 142102), (626, 129844), (908, 89518), (1144, 71051), (1252, 64922), (1816, 44759), (2497, 32552), (2504, 32461), (2951, 27544), (3443, 23608), (4069, 19976), (4994, 16276), (5902, 13772), (6886, 11804), (8138, 9988)]