1443728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 3291456

約数和(自身を除く): 1847728

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 631, 1144, 1262, 2288, 2524, 5048, 6941, 8203, 10096, 13882, 16406, 27764, 32812, 55528, 65624, 90233, 111056, 131248, 180466, 360932, 721864, 1443728]

約数ペア:

[(1, 1443728), (2, 721864), (4, 360932), (8, 180466), (11, 131248), (13, 111056), (16, 90233), (22, 65624), (26, 55528), (44, 32812), (52, 27764), (88, 16406), (104, 13882), (143, 10096), (176, 8203), (208, 6941), (286, 5048), (572, 2524), (631, 2288), (1144, 1262)]