128923956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{511603}}^1$

素因数の和:511620

約数の個数: 36

約数和(自身を含む): 372447712

約数和(自身を除く): 243523756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 511603, 1023206, 1534809, 2046412, 3069618, 3581221, 4604427, 6139236, 7162442, 9208854, 10743663, 14324884, 18417708, 21487326, 32230989, 42974652, 64461978, 128923956]

約数ペア:

[(1, 128923956), (2, 64461978), (3, 42974652), (4, 32230989), (6, 21487326), (7, 18417708), (9, 14324884), (12, 10743663), (14, 9208854), (18, 7162442), (21, 6139236), (28, 4604427), (36, 3581221), (42, 3069618), (63, 2046412), (84, 1534809), (126, 1023206), (252, 511603)]