398867868

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{527603}}^1$

素因数の和:527623

約数の個数: 48

約数和(自身を含む): 1181832960

約数和(自身を除く): 782965092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 527603, 1055206, 1582809, 2110412, 3165618, 3693221, 4748427, 6331236, 7386442, 9496854, 11079663, 14245281, 14772884, 18993708, 22159326, 28490562, 33238989, 44318652, 56981124, 66477978, 99716967, 132955956, 199433934, 398867868]

約数ペア:

[(1, 398867868), (2, 199433934), (3, 132955956), (4, 99716967), (6, 66477978), (7, 56981124), (9, 44318652), (12, 33238989), (14, 28490562), (18, 22159326), (21, 18993708), (27, 14772884), (28, 14245281), (36, 11079663), (42, 9496854), (54, 7386442), (63, 6331236), (84, 4748427), (108, 3693221), (126, 3165618), (189, 2110412), (252, 1582809), (378, 1055206), (756, 527603)]