81186028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263591}}^1$

素因数の和:263613

約数の個数: 24

約数和(自身を含む): 177133824

約数和(自身を除く): 95947796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 263591, 527182, 1054364, 1845137, 2899501, 3690274, 5799002, 7380548, 11598004, 20296507, 40593014, 81186028]

約数ペア:

[(1, 81186028), (2, 40593014), (4, 20296507), (7, 11598004), (11, 7380548), (14, 5799002), (22, 3690274), (28, 2899501), (44, 1845137), (77, 1054364), (154, 527182), (308, 263591)]