128505776

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{19447}}^1$

素因数の和:19521

約数の個数: 40

約数和(自身を含む): 289386240

約数和(自身を除く): 160880464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 3304, 6608, 19447, 38894, 77788, 136129, 155576, 272258, 311152, 544516, 1089032, 1147373, 2178064, 2294746, 4589492, 8031611, 9178984, 16063222, 18357968, 32126444, 64252888, 128505776]

約数ペア:

[(1, 128505776), (2, 64252888), (4, 32126444), (7, 18357968), (8, 16063222), (14, 9178984), (16, 8031611), (28, 4589492), (56, 2294746), (59, 2178064), (112, 1147373), (118, 1089032), (236, 544516), (413, 311152), (472, 272258), (826, 155576), (944, 136129), (1652, 77788), (3304, 38894), (6608, 19447)]