208581984

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{55711}}^1$

素因数の和:55740

約数の個数: 72

約数和(自身を含む): 638793792

約数和(自身を除く): 430211808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 55711, 111422, 167133, 222844, 334266, 445688, 501399, 668532, 724243, 891376, 1002798, 1337064, 1448486, 1782752, 2005596, 2172729, 2674128, 2896972, 4011192, 4345458, 5348256, 5793944, 6518187, 8022384, 8690916, 11587888, 13036374, 16044768, 17381832, 23175776, 26072748, 34763664, 52145496, 69527328, 104290992, 208581984]

約数ペア:

[(1, 208581984), (2, 104290992), (3, 69527328), (4, 52145496), (6, 34763664), (8, 26072748), (9, 23175776), (12, 17381832), (13, 16044768), (16, 13036374), (18, 11587888), (24, 8690916), (26, 8022384), (32, 6518187), (36, 5793944), (39, 5348256), (48, 4345458), (52, 4011192), (72, 2896972), (78, 2674128), (96, 2172729), (104, 2005596), (117, 1782752), (144, 1448486), (156, 1337064), (208, 1002798), (234, 891376), (288, 724243), (312, 668532), (416, 501399), (468, 445688), (624, 334266), (936, 222844), (1248, 167133), (1872, 111422), (3744, 55711)]