1281567328

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{110939}}^1$

素因数の和:110987

約数の個数: 36

約数和(自身を含む): 2662892820

約数和(自身を除く): 1381325492

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 2888, 5776, 11552, 110939, 221878, 443756, 887512, 1775024, 2107841, 3550048, 4215682, 8431364, 16862728, 33725456, 40048979, 67450912, 80097958, 160195916, 320391832, 640783664, 1281567328]

約数ペア:

[(1, 1281567328), (2, 640783664), (4, 320391832), (8, 160195916), (16, 80097958), (19, 67450912), (32, 40048979), (38, 33725456), (76, 16862728), (152, 8431364), (304, 4215682), (361, 3550048), (608, 2107841), (722, 1775024), (1444, 887512), (2888, 443756), (5776, 221878), (11552, 110939)]