81875185

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1279}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 117964800

約数和(自身を除く): 36089615

約数列:

[1, 5, 7, 31, 35, 59, 155, 217, 295, 413, 1085, 1279, 1829, 2065, 6395, 8953, 9145, 12803, 39649, 44765, 64015, 75461, 198245, 277543, 377305, 528227, 1387715, 2339291, 2641135, 11696455, 16375037, 81875185]

約数ペア:

[(1, 81875185), (5, 16375037), (7, 11696455), (31, 2641135), (35, 2339291), (59, 1387715), (155, 528227), (217, 377305), (295, 277543), (413, 198245), (1085, 75461), (1279, 64015), (1829, 44765), (2065, 39649), (6395, 12803), (8953, 9145)]