20181427175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{6287}}^1$

素因数の和:6417

約数の個数: 96

約数和(自身を含む): 33009887232

約数和(自身を除く): 12828460057

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 83, 85, 91, 119, 175, 221, 325, 415, 425, 455, 581, 595, 1079, 1105, 1411, 1547, 2075, 2275, 2905, 2975, 5395, 5525, 6287, 7055, 7553, 7735, 9877, 14525, 18343, 26975, 31435, 35275, 37765, 38675, 44009, 49385, 81731, 91715, 106879, 128401, 157175, 188825, 220045, 246925, 408655, 458575, 521821, 534395, 572117, 642005, 748153, 1100225, 1389427, 2043275, 2609105, 2671975, 2860585, 3210025, 3652747, 3740765, 6783673, 6947135, 8870957, 9725989, 13045525, 14302925, 18263735, 18703825, 33918365, 34735675, 44354785, 47485711, 48629945, 62096699, 91318675, 115322441, 169591825, 221773925, 237428555, 243149725, 310483495, 576612205, 807257087, 1187142775, 1552417475, 2883061025, 4036285435, 20181427175]

約数ペア:

[(1, 20181427175), (5, 4036285435), (7, 2883061025), (13, 1552417475), (17, 1187142775), (25, 807257087), (35, 576612205), (65, 310483495), (83, 243149725), (85, 237428555), (91, 221773925), (119, 169591825), (175, 115322441), (221, 91318675), (325, 62096699), (415, 48629945), (425, 47485711), (455, 44354785), (581, 34735675), (595, 33918365), (1079, 18703825), (1105, 18263735), (1411, 14302925), (1547, 13045525), (2075, 9725989), (2275, 8870957), (2905, 6947135), (2975, 6783673), (5395, 3740765), (5525, 3652747), (6287, 3210025), (7055, 2860585), (7553, 2671975), (7735, 2609105), (9877, 2043275), (14525, 1389427), (18343, 1100225), (26975, 748153), (31435, 642005), (35275, 572117), (37765, 534395), (38675, 521821), (44009, 458575), (49385, 408655), (81731, 246925), (91715, 220045), (106879, 188825), (128401, 157175)]