128539936

素因数分解:

$2^5\times 7^5\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 72

約数和(自身を含む): 296472960

約数和(自身を除く): 167933024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 239, 343, 392, 478, 686, 784, 956, 1372, 1568, 1673, 1912, 2401, 2744, 3346, 3824, 4802, 5488, 6692, 7648, 9604, 10976, 11711, 13384, 16807, 19208, 23422, 26768, 33614, 38416, 46844, 53536, 67228, 76832, 81977, 93688, 134456, 163954, 187376, 268912, 327908, 374752, 537824, 573839, 655816, 1147678, 1311632, 2295356, 2623264, 4016873, 4590712, 8033746, 9181424, 16067492, 18362848, 32134984, 64269968, 128539936]

約数ペア:

[(1, 128539936), (2, 64269968), (4, 32134984), (7, 18362848), (8, 16067492), (14, 9181424), (16, 8033746), (28, 4590712), (32, 4016873), (49, 2623264), (56, 2295356), (98, 1311632), (112, 1147678), (196, 655816), (224, 573839), (239, 537824), (343, 374752), (392, 327908), (478, 268912), (686, 187376), (784, 163954), (956, 134456), (1372, 93688), (1568, 81977), (1673, 76832), (1912, 67228), (2401, 53536), (2744, 46844), (3346, 38416), (3824, 33614), (4802, 26768), (5488, 23422), (6692, 19208), (7648, 16807), (9604, 13384), (10976, 11711)]