1969881856

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2789}}^1$

素因数の和:2925

約数の個数: 72

約数和(自身を含む): 4105987200

約数和(自身を除く): 2136105344

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 128, 178, 248, 256, 356, 496, 712, 992, 1424, 1984, 2759, 2789, 2848, 3968, 5518, 5578, 5696, 7936, 11036, 11156, 11392, 22072, 22312, 22784, 44144, 44624, 86459, 88288, 89248, 172918, 176576, 178496, 248221, 345836, 353152, 356992, 496442, 691672, 706304, 713984, 992884, 1383344, 1985768, 2766688, 3971536, 5533376, 7694851, 7943072, 11066752, 15389702, 15886144, 22133504, 30779404, 31772288, 61558808, 63544576, 123117616, 246235232, 492470464, 984940928, 1969881856]

約数ペア:

[(1, 1969881856), (2, 984940928), (4, 492470464), (8, 246235232), (16, 123117616), (31, 63544576), (32, 61558808), (62, 31772288), (64, 30779404), (89, 22133504), (124, 15886144), (128, 15389702), (178, 11066752), (248, 7943072), (256, 7694851), (356, 5533376), (496, 3971536), (712, 2766688), (992, 1985768), (1424, 1383344), (1984, 992884), (2759, 713984), (2789, 706304), (2848, 691672), (3968, 496442), (5518, 356992), (5578, 353152), (5696, 345836), (7936, 248221), (11036, 178496), (11156, 176576), (11392, 172918), (22072, 89248), (22312, 88288), (22784, 86459), (44144, 44624)]