81385408

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4253}}^1$

素因数の和:4301

約数の個数: 56

約数和(自身を含む): 181526688

約数和(自身を除く): 100141280

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 1196, 1472, 2392, 4253, 4784, 8506, 9568, 17012, 19136, 34024, 55289, 68048, 97819, 110578, 136096, 195638, 221156, 272192, 391276, 442312, 782552, 884624, 1271647, 1565104, 1769248, 2543294, 3130208, 3538496, 5086588, 6260416, 10173176, 20346352, 40692704, 81385408]

約数ペア:

[(1, 81385408), (2, 40692704), (4, 20346352), (8, 10173176), (13, 6260416), (16, 5086588), (23, 3538496), (26, 3130208), (32, 2543294), (46, 1769248), (52, 1565104), (64, 1271647), (92, 884624), (104, 782552), (184, 442312), (208, 391276), (299, 272192), (368, 221156), (416, 195638), (598, 136096), (736, 110578), (832, 97819), (1196, 68048), (1472, 55289), (2392, 34024), (4253, 19136), (4784, 17012), (8506, 9568)]