638931216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{172871}}^1$

素因数の和:172900

約数の個数: 80

約数和(自身を含む): 2057868288

約数和(自身を除く): 1418937072

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 172871, 345742, 518613, 691484, 1037226, 1210097, 1382968, 1901581, 2074452, 2420194, 2765936, 3630291, 3803162, 4148904, 4840388, 5704743, 7260582, 7606324, 8297808, 9680776, 11409486, 13311067, 14521164, 15212648, 19361552, 22818972, 26622134, 29042328, 30425296, 39933201, 45637944, 53244268, 58084656, 79866402, 91275888, 106488536, 159732804, 212977072, 319465608, 638931216]

約数ペア:

[(1, 638931216), (2, 319465608), (3, 212977072), (4, 159732804), (6, 106488536), (7, 91275888), (8, 79866402), (11, 58084656), (12, 53244268), (14, 45637944), (16, 39933201), (21, 30425296), (22, 29042328), (24, 26622134), (28, 22818972), (33, 19361552), (42, 15212648), (44, 14521164), (48, 13311067), (56, 11409486), (66, 9680776), (77, 8297808), (84, 7606324), (88, 7260582), (112, 5704743), (132, 4840388), (154, 4148904), (168, 3803162), (176, 3630291), (231, 2765936), (264, 2420194), (308, 2074452), (336, 1901581), (462, 1382968), (528, 1210097), (616, 1037226), (924, 691484), (1232, 518613), (1848, 345742), (3696, 172871)]