81517448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31547}}^1$

素因数の和:31589

約数の個数: 32

約数和(自身を含む): 170359200

約数和(自身を除く): 88841752

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 31547, 63094, 126188, 252376, 536299, 599393, 1072598, 1198786, 2145196, 2397572, 4290392, 4795144, 10189681, 20379362, 40758724, 81517448]

約数ペア:

[(1, 81517448), (2, 40758724), (4, 20379362), (8, 10189681), (17, 4795144), (19, 4290392), (34, 2397572), (38, 2145196), (68, 1198786), (76, 1072598), (136, 599393), (152, 536299), (323, 252376), (646, 126188), (1292, 63094), (2584, 31547)]