221273570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137437}}^1$

素因数の和:137474

約数の個数: 32

約数和(自身を含む): 474985728

約数和(自身を除く): 253712158

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 137437, 274874, 687185, 962059, 1374370, 1924118, 3161051, 4810295, 6322102, 9620590, 15805255, 22127357, 31610510, 44254714, 110636785, 221273570]

約数ペア:

[(1, 221273570), (2, 110636785), (5, 44254714), (7, 31610510), (10, 22127357), (14, 15805255), (23, 9620590), (35, 6322102), (46, 4810295), (70, 3161051), (115, 1924118), (161, 1374370), (230, 962059), (322, 687185), (805, 274874), (1610, 137437)]