217345968

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{30803}}^1$

素因数の和:30831

約数の個数: 90

約数和(自身を含む): 707598684

約数和(自身を除く): 490252716

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 30803, 61606, 92409, 123212, 184818, 215621, 246424, 277227, 369636, 431242, 492848, 554454, 646863, 739272, 862484, 1108908, 1293726, 1478544, 1509347, 1724968, 1940589, 2217816, 2587452, 3018694, 3449936, 3881178, 4435632, 4528041, 5174904, 6037388, 7762356, 9056082, 10349808, 12074776, 13584123, 15524712, 18112164, 24149552, 27168246, 31049424, 36224328, 54336492, 72448656, 108672984, 217345968]

約数ペア:

[(1, 217345968), (2, 108672984), (3, 72448656), (4, 54336492), (6, 36224328), (7, 31049424), (8, 27168246), (9, 24149552), (12, 18112164), (14, 15524712), (16, 13584123), (18, 12074776), (21, 10349808), (24, 9056082), (28, 7762356), (36, 6037388), (42, 5174904), (48, 4528041), (49, 4435632), (56, 3881178), (63, 3449936), (72, 3018694), (84, 2587452), (98, 2217816), (112, 1940589), (126, 1724968), (144, 1509347), (147, 1478544), (168, 1293726), (196, 1108908), (252, 862484), (294, 739272), (336, 646863), (392, 554454), (441, 492848), (504, 431242), (588, 369636), (784, 277227), (882, 246424), (1008, 215621), (1176, 184818), (1764, 123212), (2352, 92409), (3528, 61606), (7056, 30803)]