177744970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20407}}^1$

素因数の和:20494

約数の個数: 32

約数和(自身を含む): 349711488

約数和(自身を除く): 171966518

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 20407, 40814, 102035, 204070, 265291, 530582, 1326455, 1367269, 2652910, 2734538, 6836345, 13672690, 17774497, 35548994, 88872485, 177744970]

約数ペア:

[(1, 177744970), (2, 88872485), (5, 35548994), (10, 17774497), (13, 13672690), (26, 6836345), (65, 2734538), (67, 2652910), (130, 1367269), (134, 1326455), (335, 530582), (670, 265291), (871, 204070), (1742, 102035), (4355, 40814), (8710, 20407)]