81765512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31643}}^1$

素因数の和:31685

約数の個数: 32

約数和(自身を含む): 170877600

約数和(自身を除く): 89112088

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 31643, 63286, 126572, 253144, 537931, 601217, 1075862, 1202434, 2151724, 2404868, 4303448, 4809736, 10220689, 20441378, 40882756, 81765512]

約数ペア:

[(1, 81765512), (2, 40882756), (4, 20441378), (8, 10220689), (17, 4809736), (19, 4303448), (34, 2404868), (38, 2151724), (68, 1202434), (76, 1075862), (136, 601217), (152, 537931), (323, 253144), (646, 126572), (1292, 63286), (2584, 31643)]