81719704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12721}}^1$

素因数の和:12811

約数の個数: 32

約数和(自身を含む): 169457040

約数和(自身を除く): 87737336

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 6424, 12721, 25442, 50884, 101768, 139931, 279862, 559724, 928633, 1119448, 1857266, 3714532, 7429064, 10214963, 20429926, 40859852, 81719704]

約数ペア:

[(1, 81719704), (2, 40859852), (4, 20429926), (8, 10214963), (11, 7429064), (22, 3714532), (44, 1857266), (73, 1119448), (88, 928633), (146, 559724), (292, 279862), (584, 139931), (803, 101768), (1606, 50884), (3212, 25442), (6424, 12721)]