3988197616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{1009}}^1$

素因数の和:1674

約数の個数: 80

約数和(自身を含む): 8612504320

約数和(自身を除く): 4624306704

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 613, 806, 1009, 1226, 1612, 2018, 2452, 3224, 4036, 4904, 6448, 7969, 8072, 9808, 13117, 15938, 16144, 19003, 26234, 31279, 31876, 38006, 52468, 62558, 63752, 76012, 104936, 125116, 127504, 152024, 209872, 247039, 250232, 304048, 406627, 494078, 500464, 618517, 813254, 988156, 1237034, 1626508, 1976312, 2474068, 3253016, 3952624, 4948136, 6506032, 8040721, 9896272, 16081442, 19174027, 32162884, 38348054, 64325768, 76696108, 128651536, 153392216, 249262351, 306784432, 498524702, 997049404, 1994098808, 3988197616]

約数ペア:

[(1, 3988197616), (2, 1994098808), (4, 997049404), (8, 498524702), (13, 306784432), (16, 249262351), (26, 153392216), (31, 128651536), (52, 76696108), (62, 64325768), (104, 38348054), (124, 32162884), (208, 19174027), (248, 16081442), (403, 9896272), (496, 8040721), (613, 6506032), (806, 4948136), (1009, 3952624), (1226, 3253016), (1612, 2474068), (2018, 1976312), (2452, 1626508), (3224, 1237034), (4036, 988156), (4904, 813254), (6448, 618517), (7969, 500464), (8072, 494078), (9808, 406627), (13117, 304048), (15938, 250232), (16144, 247039), (19003, 209872), (26234, 152024), (31279, 127504), (31876, 125116), (38006, 104936), (52468, 76012), (62558, 63752)]