90705658

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 147312000

約数和(自身を除く): 56606342

約数列:

[1, 2, 19, 38, 61, 109, 122, 218, 359, 718, 1159, 2071, 2318, 4142, 6649, 6821, 13298, 13642, 21899, 39131, 43798, 78262, 126331, 252662, 416081, 743489, 832162, 1486978, 2386991, 4773982, 45352829, 90705658]

約数ペア:

[(1, 90705658), (2, 45352829), (19, 4773982), (38, 2386991), (61, 1486978), (109, 832162), (122, 743489), (218, 416081), (359, 252662), (718, 126331), (1159, 78262), (2071, 43798), (2318, 39131), (4142, 21899), (6649, 13642), (6821, 13298)]