28722928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8123}}^1$

素因数の和:8161

約数の個数: 40

約数和(自身を含む): 63464688

約数和(自身を除く): 34741760

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 8123, 16246, 32492, 64984, 105599, 129968, 138091, 211198, 276182, 422396, 552364, 844792, 1104728, 1689584, 1795183, 2209456, 3590366, 7180732, 14361464, 28722928]

約数ペア:

[(1, 28722928), (2, 14361464), (4, 7180732), (8, 3590366), (13, 2209456), (16, 1795183), (17, 1689584), (26, 1104728), (34, 844792), (52, 552364), (68, 422396), (104, 276182), (136, 211198), (208, 138091), (221, 129968), (272, 105599), (442, 64984), (884, 32492), (1768, 16246), (3536, 8123)]