28688504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1237}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 58235520

約数和(自身を除く): 29547016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 223, 446, 892, 1237, 1784, 2474, 2899, 4948, 5798, 9896, 11596, 16081, 23192, 32162, 64324, 128648, 275851, 551702, 1103404, 2206808, 3586063, 7172126, 14344252, 28688504]

約数ペア:

[(1, 28688504), (2, 14344252), (4, 7172126), (8, 3586063), (13, 2206808), (26, 1103404), (52, 551702), (104, 275851), (223, 128648), (446, 64324), (892, 32162), (1237, 23192), (1784, 16081), (2474, 11596), (2899, 9896), (4948, 5798)]