28626588

素因数分解:

$2^2\times 3^3\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1075

約数の個数: 48

約数和(自身を含む): 74514720

約数和(自身を除く): 45888132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 401, 661, 802, 1203, 1322, 1604, 1983, 2406, 2644, 3609, 3966, 4812, 5949, 7218, 7932, 10827, 11898, 14436, 17847, 21654, 23796, 35694, 43308, 71388, 265061, 530122, 795183, 1060244, 1590366, 2385549, 3180732, 4771098, 7156647, 9542196, 14313294, 28626588]

約数ペア:

[(1, 28626588), (2, 14313294), (3, 9542196), (4, 7156647), (6, 4771098), (9, 3180732), (12, 2385549), (18, 1590366), (27, 1060244), (36, 795183), (54, 530122), (108, 265061), (401, 71388), (661, 43308), (802, 35694), (1203, 23796), (1322, 21654), (1604, 17847), (1983, 14436), (2406, 11898), (2644, 10827), (3609, 7932), (3966, 7218), (4812, 5949)]