31685550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16249}}^1$

素因数の和:16277

約数の個数: 48

約数和(自身を含む): 84630000

約数和(自身を除く): 52944450

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 16249, 32498, 48747, 81245, 97494, 162490, 211237, 243735, 406225, 422474, 487470, 633711, 812450, 1056185, 1218675, 1267422, 2112370, 2437350, 3168555, 5280925, 6337110, 10561850, 15842775, 31685550]

約数ペア:

[(1, 31685550), (2, 15842775), (3, 10561850), (5, 6337110), (6, 5280925), (10, 3168555), (13, 2437350), (15, 2112370), (25, 1267422), (26, 1218675), (30, 1056185), (39, 812450), (50, 633711), (65, 487470), (75, 422474), (78, 406225), (130, 243735), (150, 211237), (195, 162490), (325, 97494), (390, 81245), (650, 48747), (975, 32498), (1950, 16249)]