1278923649212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{1280291}}^1$

素因数の和:1280690

約数の個数: 48

約数和(自身を含む): 2482988062464

約数和(自身を除く): 1204064413252

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 311, 622, 803, 1244, 1606, 3212, 3421, 6842, 13684, 22703, 45406, 90812, 249733, 499466, 998932, 1280291, 2560582, 5121164, 14083201, 28166402, 56332804, 93461243, 186922486, 373844972, 398170501, 796341002, 1028073673, 1592682004, 2056147346, 4112294692, 4379875511, 8759751022, 17519502044, 29066446573, 58132893146, 116265786292, 319730912303, 639461824606, 1278923649212]

約数ペア:

[(1, 1278923649212), (2, 639461824606), (4, 319730912303), (11, 116265786292), (22, 58132893146), (44, 29066446573), (73, 17519502044), (146, 8759751022), (292, 4379875511), (311, 4112294692), (622, 2056147346), (803, 1592682004), (1244, 1028073673), (1606, 796341002), (3212, 398170501), (3421, 373844972), (6842, 186922486), (13684, 93461243), (22703, 56332804), (45406, 28166402), (90812, 14083201), (249733, 5121164), (499466, 2560582), (998932, 1280291)]