71970318

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{11657}}^1$

素因数の和:11686

約数の個数: 48

約数和(自身を含む): 181864800

約数和(自身を除く): 109894482

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 6174, 11657, 23314, 34971, 69942, 81599, 104913, 163198, 209826, 244797, 489594, 571193, 734391, 1142386, 1468782, 1713579, 3427158, 3998351, 5140737, 7996702, 10281474, 11995053, 23990106, 35985159, 71970318]

約数ペア:

[(1, 71970318), (2, 35985159), (3, 23990106), (6, 11995053), (7, 10281474), (9, 7996702), (14, 5140737), (18, 3998351), (21, 3427158), (42, 1713579), (49, 1468782), (63, 1142386), (98, 734391), (126, 571193), (147, 489594), (294, 244797), (343, 209826), (441, 163198), (686, 104913), (882, 81599), (1029, 69942), (2058, 34971), (3087, 23314), (6174, 11657)]