66278926

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 116328960

約数和(自身を除く): 50050034

約数列:

[1, 2, 7, 14, 71, 131, 142, 262, 497, 509, 917, 994, 1018, 1834, 3563, 7126, 9301, 18602, 36139, 65107, 66679, 72278, 130214, 133358, 252973, 466753, 505946, 933506, 4734209, 9468418, 33139463, 66278926]

約数ペア:

[(1, 66278926), (2, 33139463), (7, 9468418), (14, 4734209), (71, 933506), (131, 505946), (142, 466753), (262, 252973), (497, 133358), (509, 130214), (917, 72278), (994, 66679), (1018, 65107), (1834, 36139), (3563, 18602), (7126, 9301)]