81658850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 189737856

約数和(自身を除く): 108079006

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 131, 137, 175, 182, 262, 274, 325, 350, 455, 650, 655, 685, 910, 917, 959, 1310, 1370, 1703, 1781, 1834, 1918, 2275, 3275, 3406, 3425, 3562, 4550, 4585, 4795, 6550, 6850, 8515, 8905, 9170, 9590, 11921, 12467, 17030, 17810, 17947, 22925, 23842, 23975, 24934, 35894, 42575, 44525, 45850, 47950, 59605, 62335, 85150, 89050, 89735, 119210, 124670, 125629, 179470, 233311, 251258, 298025, 311675, 448675, 466622, 596050, 623350, 628145, 897350, 1166555, 1256290, 1633177, 2333110, 3140725, 3266354, 5832775, 6281450, 8165885, 11665550, 16331770, 40829425, 81658850]

約数ペア:

[(1, 81658850), (2, 40829425), (5, 16331770), (7, 11665550), (10, 8165885), (13, 6281450), (14, 5832775), (25, 3266354), (26, 3140725), (35, 2333110), (50, 1633177), (65, 1256290), (70, 1166555), (91, 897350), (130, 628145), (131, 623350), (137, 596050), (175, 466622), (182, 448675), (262, 311675), (274, 298025), (325, 251258), (350, 233311), (455, 179470), (650, 125629), (655, 124670), (685, 119210), (910, 89735), (917, 89050), (959, 85150), (1310, 62335), (1370, 59605), (1703, 47950), (1781, 45850), (1834, 44525), (1918, 42575), (2275, 35894), (3275, 24934), (3406, 23975), (3425, 23842), (3562, 22925), (4550, 17947), (4585, 17810), (4795, 17030), (6550, 12467), (6850, 11921), (8515, 9590), (8905, 9170)]