64471408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 139276800

約数和(自身を除く): 74805392

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 71, 76, 103, 116, 142, 152, 206, 232, 284, 304, 412, 464, 551, 568, 824, 1102, 1136, 1349, 1648, 1957, 2059, 2204, 2698, 2987, 3914, 4118, 4408, 5396, 5974, 7313, 7828, 8236, 8816, 10792, 11948, 14626, 15656, 16472, 21584, 23896, 29252, 31312, 32944, 39121, 47792, 56753, 58504, 78242, 113506, 117008, 138947, 156484, 212077, 227012, 277894, 312968, 424154, 454024, 555788, 625936, 848308, 908048, 1111576, 1696616, 2223152, 3393232, 4029463, 8058926, 16117852, 32235704, 64471408]

約数ペア:

[(1, 64471408), (2, 32235704), (4, 16117852), (8, 8058926), (16, 4029463), (19, 3393232), (29, 2223152), (38, 1696616), (58, 1111576), (71, 908048), (76, 848308), (103, 625936), (116, 555788), (142, 454024), (152, 424154), (206, 312968), (232, 277894), (284, 227012), (304, 212077), (412, 156484), (464, 138947), (551, 117008), (568, 113506), (824, 78242), (1102, 58504), (1136, 56753), (1349, 47792), (1648, 39121), (1957, 32944), (2059, 31312), (2204, 29252), (2698, 23896), (2987, 21584), (3914, 16472), (4118, 15656), (4408, 14626), (5396, 11948), (5974, 10792), (7313, 8816), (7828, 8236)]