128206688

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{773}}^1$

素因数の和:927

約数の個数: 48

約数和(自身を含む): 259803936

約数和(自身を除く): 131597248

約数列:

[1, 2, 4, 8, 16, 32, 71, 73, 142, 146, 284, 292, 568, 584, 773, 1136, 1168, 1546, 2272, 2336, 3092, 5183, 6184, 10366, 12368, 20732, 24736, 41464, 54883, 56429, 82928, 109766, 112858, 165856, 219532, 225716, 439064, 451432, 878128, 902864, 1756256, 1805728, 4006459, 8012918, 16025836, 32051672, 64103344, 128206688]

約数ペア:

[(1, 128206688), (2, 64103344), (4, 32051672), (8, 16025836), (16, 8012918), (32, 4006459), (71, 1805728), (73, 1756256), (142, 902864), (146, 878128), (284, 451432), (292, 439064), (568, 225716), (584, 219532), (773, 165856), (1136, 112858), (1168, 109766), (1546, 82928), (2272, 56429), (2336, 54883), (3092, 41464), (5183, 24736), (6184, 20732), (10366, 12368)]