81922890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{390109}}^1$

素因数の和:390126

約数の個数: 32

約数和(自身を含む): 224703360

約数和(自身を除く): 142780470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 390109, 780218, 1170327, 1950545, 2340654, 2730763, 3901090, 5461526, 5851635, 8192289, 11703270, 13653815, 16384578, 27307630, 40961445, 81922890]

約数ペア:

[(1, 81922890), (2, 40961445), (3, 27307630), (5, 16384578), (6, 13653815), (7, 11703270), (10, 8192289), (14, 5851635), (15, 5461526), (21, 3901090), (30, 2730763), (35, 2340654), (42, 1950545), (70, 1170327), (105, 780218), (210, 390109)]