81402536

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 169560000

約数和(自身を除く): 88157464

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 59, 76, 116, 118, 152, 232, 236, 313, 472, 551, 626, 1102, 1121, 1252, 1711, 2204, 2242, 2504, 3422, 4408, 4484, 5947, 6844, 8968, 9077, 11894, 13688, 18154, 18467, 23788, 32509, 36308, 36934, 47576, 65018, 72616, 73868, 130036, 147736, 172463, 260072, 344926, 350873, 535543, 689852, 701746, 1071086, 1379704, 1403492, 2142172, 2806984, 4284344, 10175317, 20350634, 40701268, 81402536]

約数ペア:

[(1, 81402536), (2, 40701268), (4, 20350634), (8, 10175317), (19, 4284344), (29, 2806984), (38, 2142172), (58, 1403492), (59, 1379704), (76, 1071086), (116, 701746), (118, 689852), (152, 535543), (232, 350873), (236, 344926), (313, 260072), (472, 172463), (551, 147736), (626, 130036), (1102, 73868), (1121, 72616), (1252, 65018), (1711, 47576), (2204, 36934), (2242, 36308), (2504, 32509), (3422, 23788), (4408, 18467), (4484, 18154), (5947, 13688), (6844, 11894), (8968, 9077)]