257035136

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 532815360

約数和(自身を除く): 275780224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 211, 248, 307, 422, 496, 614, 844, 992, 1228, 1688, 1984, 2456, 3376, 3968, 4912, 6541, 6752, 9517, 9824, 13082, 13504, 19034, 19648, 26164, 27008, 38068, 39296, 52328, 64777, 76136, 104656, 129554, 152272, 209312, 259108, 304544, 418624, 518216, 609088, 837248, 1036432, 1218176, 2008087, 2072864, 4016174, 4145728, 8032348, 8291456, 16064696, 32129392, 64258784, 128517568, 257035136]

約数ペア:

[(1, 257035136), (2, 128517568), (4, 64258784), (8, 32129392), (16, 16064696), (31, 8291456), (32, 8032348), (62, 4145728), (64, 4016174), (124, 2072864), (128, 2008087), (211, 1218176), (248, 1036432), (307, 837248), (422, 609088), (496, 518216), (614, 418624), (844, 304544), (992, 259108), (1228, 209312), (1688, 152272), (1984, 129554), (2456, 104656), (3376, 76136), (3968, 64777), (4912, 52328), (6541, 39296), (6752, 38068), (9517, 27008), (9824, 26164), (13082, 19648), (13504, 19034)]