128665784

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{1613}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 265825800

約数和(自身を除く): 137160016

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 169, 236, 338, 472, 676, 767, 1352, 1534, 1613, 3068, 3226, 6136, 6452, 9971, 12904, 19942, 20969, 39884, 41938, 79768, 83876, 95167, 167752, 190334, 272597, 380668, 545194, 761336, 1090388, 1237171, 2180776, 2474342, 4948684, 9897368, 16083223, 32166446, 64332892, 128665784]

約数ペア:

[(1, 128665784), (2, 64332892), (4, 32166446), (8, 16083223), (13, 9897368), (26, 4948684), (52, 2474342), (59, 2180776), (104, 1237171), (118, 1090388), (169, 761336), (236, 545194), (338, 380668), (472, 272597), (676, 190334), (767, 167752), (1352, 95167), (1534, 83876), (1613, 79768), (3068, 41938), (3226, 39884), (6136, 20969), (6452, 19942), (9971, 12904)]