211668688

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{15619}}^1$

素因数の和:15656

約数の個数: 60

約数和(自身を含む): 515210080

約数和(自身を除く): 303541392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1694, 1936, 3388, 6776, 13552, 15619, 31238, 62476, 109333, 124952, 171809, 218666, 249904, 343618, 437332, 687236, 874664, 1202663, 1374472, 1749328, 1889899, 2405326, 2748944, 3779798, 4810652, 7559596, 9621304, 13229293, 15119192, 19242608, 26458586, 30238384, 52917172, 105834344, 211668688]

約数ペア:

[(1, 211668688), (2, 105834344), (4, 52917172), (7, 30238384), (8, 26458586), (11, 19242608), (14, 15119192), (16, 13229293), (22, 9621304), (28, 7559596), (44, 4810652), (56, 3779798), (77, 2748944), (88, 2405326), (112, 1889899), (121, 1749328), (154, 1374472), (176, 1202663), (242, 874664), (308, 687236), (484, 437332), (616, 343618), (847, 249904), (968, 218666), (1232, 171809), (1694, 124952), (1936, 109333), (3388, 62476), (6776, 31238), (13552, 15619)]