28829008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 65995776

約数和(自身を除く): 37166768

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 263, 272, 403, 442, 496, 526, 527, 806, 884, 1052, 1054, 1612, 1768, 2104, 2108, 3224, 3419, 3536, 4208, 4216, 4471, 6448, 6838, 6851, 8153, 8432, 8942, 13676, 13702, 16306, 17884, 27352, 27404, 32612, 35768, 54704, 54808, 58123, 65224, 71536, 105989, 109616, 116246, 130448, 138601, 211978, 232492, 277202, 423956, 464984, 554404, 847912, 929968, 1108808, 1695824, 1801813, 2217616, 3603626, 7207252, 14414504, 28829008]

約数ペア:

[(1, 28829008), (2, 14414504), (4, 7207252), (8, 3603626), (13, 2217616), (16, 1801813), (17, 1695824), (26, 1108808), (31, 929968), (34, 847912), (52, 554404), (62, 464984), (68, 423956), (104, 277202), (124, 232492), (136, 211978), (208, 138601), (221, 130448), (248, 116246), (263, 109616), (272, 105989), (403, 71536), (442, 65224), (496, 58123), (526, 54808), (527, 54704), (806, 35768), (884, 32612), (1052, 27404), (1054, 27352), (1612, 17884), (1768, 16306), (2104, 13702), (2108, 13676), (3224, 8942), (3419, 8432), (3536, 8153), (4208, 6851), (4216, 6838), (4471, 6448)]