1627990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1789}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 3608640

約数和(自身を除く): 1980650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 1789, 3578, 8945, 12523, 17890, 23257, 25046, 46514, 62615, 116285, 125230, 162799, 232570, 325598, 813995, 1627990]

約数ペア:

[(1, 1627990), (2, 813995), (5, 325598), (7, 232570), (10, 162799), (13, 125230), (14, 116285), (26, 62615), (35, 46514), (65, 25046), (70, 23257), (91, 17890), (130, 12523), (182, 8945), (455, 3578), (910, 1789)]