128517568

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:561

約数の個数: 56

約数和(自身を含む): 265362944

約数和(自身を除く): 136845376

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 211, 248, 307, 422, 496, 614, 844, 992, 1228, 1688, 1984, 2456, 3376, 4912, 6541, 6752, 9517, 9824, 13082, 13504, 19034, 19648, 26164, 38068, 52328, 64777, 76136, 104656, 129554, 152272, 209312, 259108, 304544, 418624, 518216, 609088, 1036432, 2008087, 2072864, 4016174, 4145728, 8032348, 16064696, 32129392, 64258784, 128517568]

約数ペア:

[(1, 128517568), (2, 64258784), (4, 32129392), (8, 16064696), (16, 8032348), (31, 4145728), (32, 4016174), (62, 2072864), (64, 2008087), (124, 1036432), (211, 609088), (248, 518216), (307, 418624), (422, 304544), (496, 259108), (614, 209312), (844, 152272), (992, 129554), (1228, 104656), (1688, 76136), (1984, 64777), (2456, 52328), (3376, 38068), (4912, 26164), (6541, 19648), (6752, 19034), (9517, 13504), (9824, 13082)]