31388291275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1987}}^1$

素因数の和:2165

約数の個数: 96

約数和(自身を含む): 46857000960

約数和(自身を除く): 15468709685

約数列:

[1, 5, 11, 17, 25, 31, 55, 85, 109, 155, 187, 275, 341, 425, 527, 545, 775, 935, 1199, 1705, 1853, 1987, 2635, 2725, 3379, 4675, 5797, 5995, 8525, 9265, 9935, 13175, 16895, 20383, 21857, 28985, 29975, 33779, 37169, 46325, 49675, 57443, 61597, 84475, 101915, 109285, 144925, 168895, 185845, 216583, 287215, 307985, 371569, 509575, 546425, 631873, 677567, 844475, 929225, 1047149, 1082915, 1436075, 1539925, 1857845, 2382413, 3159365, 3387835, 3681911, 5235745, 5414575, 6714073, 9289225, 11518639, 11912065, 15796825, 16939175, 18409555, 26178725, 33570365, 40501021, 57593195, 59560325, 73854803, 92047775, 114139241, 167851825, 202505105, 287965975, 369274015, 570696205, 1012525525, 1255531651, 1846370075, 2853481025, 6277658255, 31388291275]

約数ペア:

[(1, 31388291275), (5, 6277658255), (11, 2853481025), (17, 1846370075), (25, 1255531651), (31, 1012525525), (55, 570696205), (85, 369274015), (109, 287965975), (155, 202505105), (187, 167851825), (275, 114139241), (341, 92047775), (425, 73854803), (527, 59560325), (545, 57593195), (775, 40501021), (935, 33570365), (1199, 26178725), (1705, 18409555), (1853, 16939175), (1987, 15796825), (2635, 11912065), (2725, 11518639), (3379, 9289225), (4675, 6714073), (5797, 5414575), (5995, 5235745), (8525, 3681911), (9265, 3387835), (9935, 3159365), (13175, 2382413), (16895, 1857845), (20383, 1539925), (21857, 1436075), (28985, 1082915), (29975, 1047149), (33779, 929225), (37169, 844475), (46325, 677567), (49675, 631873), (57443, 546425), (61597, 509575), (84475, 371569), (101915, 307985), (109285, 287215), (144925, 216583), (168895, 185845)]