66446401

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 82080000

約数和(自身を除く): 15633599

約数列:

[1, 7, 19, 49, 133, 149, 479, 931, 1043, 2831, 3353, 7301, 9101, 19817, 23471, 63707, 71371, 138719, 445949, 499597, 1356049, 3497179, 9492343, 66446401]

約数ペア:

[(1, 66446401), (7, 9492343), (19, 3497179), (49, 1356049), (133, 499597), (149, 445949), (479, 138719), (931, 71371), (1043, 63707), (2831, 23471), (3353, 19817), (7301, 9101)]