2017663375

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2117

約数の個数: 64

約数和(自身を含む): 3135525120

約数和(自身を除く): 1117861745

約数列:

[1, 5, 7, 13, 25, 35, 65, 89, 91, 125, 175, 325, 445, 455, 623, 875, 1157, 1625, 1993, 2225, 2275, 3115, 5785, 8099, 9965, 11125, 11375, 13951, 15575, 25909, 28925, 40495, 49825, 69755, 77875, 129545, 144625, 177377, 181363, 202475, 249125, 348775, 647725, 886885, 906815, 1012375, 1241639, 1743875, 2305901, 3238625, 4434425, 4534075, 6208195, 11529505, 16141307, 22172125, 22670375, 31040975, 57647525, 80706535, 155204875, 288237625, 403532675, 2017663375]

約数ペア:

[(1, 2017663375), (5, 403532675), (7, 288237625), (13, 155204875), (25, 80706535), (35, 57647525), (65, 31040975), (89, 22670375), (91, 22172125), (125, 16141307), (175, 11529505), (325, 6208195), (445, 4534075), (455, 4434425), (623, 3238625), (875, 2305901), (1157, 1743875), (1625, 1241639), (1993, 1012375), (2225, 906815), (2275, 886885), (3115, 647725), (5785, 348775), (8099, 249125), (9965, 202475), (11125, 181363), (11375, 177377), (13951, 144625), (15575, 129545), (25909, 77875), (28925, 69755), (40495, 49825)]