128413908

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{72797}}^1$

素因数の和:72821

約数の個数: 54

約数和(自身を含む): 377603226

約数和(自身を除く): 249189318

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 72797, 145594, 218391, 291188, 436782, 509579, 655173, 873564, 1019158, 1310346, 1528737, 2038316, 2620692, 3057474, 3567053, 4586211, 6114948, 7134106, 9172422, 10701159, 14268212, 18344844, 21402318, 32103477, 42804636, 64206954, 128413908]

約数ペア:

[(1, 128413908), (2, 64206954), (3, 42804636), (4, 32103477), (6, 21402318), (7, 18344844), (9, 14268212), (12, 10701159), (14, 9172422), (18, 7134106), (21, 6114948), (28, 4586211), (36, 3567053), (42, 3057474), (49, 2620692), (63, 2038316), (84, 1528737), (98, 1310346), (126, 1019158), (147, 873564), (196, 655173), (252, 509579), (294, 436782), (441, 291188), (588, 218391), (882, 145594), (1764, 72797)]