128621808

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{127601}}^1$

素因数の和:127622

約数の個数: 60

約数和(自身を含む): 411388848

約数和(自身を除く): 282767040

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 127601, 255202, 382803, 510404, 765606, 893207, 1020808, 1148409, 1531212, 1786414, 2041616, 2296818, 2679621, 3062424, 3572828, 4593636, 5359242, 6124848, 7145656, 8038863, 9187272, 10718484, 14291312, 16077726, 18374544, 21436968, 32155452, 42873936, 64310904, 128621808]

約数ペア:

[(1, 128621808), (2, 64310904), (3, 42873936), (4, 32155452), (6, 21436968), (7, 18374544), (8, 16077726), (9, 14291312), (12, 10718484), (14, 9187272), (16, 8038863), (18, 7145656), (21, 6124848), (24, 5359242), (28, 4593636), (36, 3572828), (42, 3062424), (48, 2679621), (56, 2296818), (63, 2041616), (72, 1786414), (84, 1531212), (112, 1148409), (126, 1020808), (144, 893207), (168, 765606), (252, 510404), (336, 382803), (504, 255202), (1008, 127601)]