397729808

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67003}}^1$

素因数の和:67071

約数の個数: 40

約数和(自身を含む): 897317568

約数和(自身を除く): 499587760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 67003, 134006, 268012, 469021, 536024, 938042, 1072048, 1876084, 3551159, 3752168, 7102318, 7504336, 14204636, 24858113, 28409272, 49716226, 56818544, 99432452, 198864904, 397729808]

約数ペア:

[(1, 397729808), (2, 198864904), (4, 99432452), (7, 56818544), (8, 49716226), (14, 28409272), (16, 24858113), (28, 14204636), (53, 7504336), (56, 7102318), (106, 3752168), (112, 3551159), (212, 1876084), (371, 1072048), (424, 938042), (742, 536024), (848, 469021), (1484, 268012), (2968, 134006), (5936, 67003)]