2640248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 5443200

約数和(自身を除く): 2802952

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 479, 689, 958, 1378, 1916, 2756, 3832, 5512, 6227, 12454, 24908, 25387, 49816, 50774, 101548, 203096, 330031, 660062, 1320124, 2640248]

約数ペア:

[(1, 2640248), (2, 1320124), (4, 660062), (8, 330031), (13, 203096), (26, 101548), (52, 50774), (53, 49816), (104, 25387), (106, 24908), (212, 12454), (424, 6227), (479, 5512), (689, 3832), (958, 2756), (1378, 1916)]