28808936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{631}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 58396800

約数和(自身を除く): 29587864

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 439, 631, 878, 1262, 1756, 2524, 3512, 5048, 5707, 8203, 11414, 16406, 22828, 32812, 45656, 65624, 277009, 554018, 1108036, 2216072, 3601117, 7202234, 14404468, 28808936]

約数ペア:

[(1, 28808936), (2, 14404468), (4, 7202234), (8, 3601117), (13, 2216072), (26, 1108036), (52, 554018), (104, 277009), (439, 65624), (631, 45656), (878, 32812), (1262, 22828), (1756, 16406), (2524, 11414), (3512, 8203), (5048, 5707)]