71389276

素因数分解:

$2^2\times 7^3\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:939

約数の個数: 48

約数和(自身を含む): 148254400

約数和(自身を除く): 76865124

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 343, 427, 686, 853, 854, 1372, 1706, 1708, 2989, 3412, 5971, 5978, 11942, 11956, 20923, 23884, 41797, 41846, 52033, 83594, 83692, 104066, 167188, 208132, 292579, 364231, 585158, 728462, 1170316, 1456924, 2549617, 5099234, 10198468, 17847319, 35694638, 71389276]

約数ペア:

[(1, 71389276), (2, 35694638), (4, 17847319), (7, 10198468), (14, 5099234), (28, 2549617), (49, 1456924), (61, 1170316), (98, 728462), (122, 585158), (196, 364231), (244, 292579), (343, 208132), (427, 167188), (686, 104066), (853, 83692), (854, 83594), (1372, 52033), (1706, 41846), (1708, 41797), (2989, 23884), (3412, 20923), (5971, 11956), (5978, 11942)]