1278804592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{32189}}^1$

素因数の和:32401

約数の個数: 40

約数和(自身を含む): 2682328320

約数和(自身を除く): 1403523728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 382, 764, 1528, 2483, 3056, 4966, 9932, 19864, 32189, 39728, 64378, 128756, 257512, 418457, 515024, 836914, 1673828, 3347656, 6148099, 6695312, 12296198, 24592396, 49184792, 79925287, 98369584, 159850574, 319701148, 639402296, 1278804592]

約数ペア:

[(1, 1278804592), (2, 639402296), (4, 319701148), (8, 159850574), (13, 98369584), (16, 79925287), (26, 49184792), (52, 24592396), (104, 12296198), (191, 6695312), (208, 6148099), (382, 3347656), (764, 1673828), (1528, 836914), (2483, 515024), (3056, 418457), (4966, 257512), (9932, 128756), (19864, 64378), (32189, 39728)]