78880878

素因数分解:

$2^1\times 3^4\times {\mathrm{89}}^1\times {\mathrm{5471}}^1$

素因数の和:5574

約数の個数: 40

約数和(自身を含む): 178770240

約数和(自身を除く): 99889362

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 89, 162, 178, 267, 534, 801, 1602, 2403, 4806, 5471, 7209, 10942, 14418, 16413, 32826, 49239, 98478, 147717, 295434, 443151, 486919, 886302, 973838, 1460757, 2921514, 4382271, 8764542, 13146813, 26293626, 39440439, 78880878]

約数ペア:

[(1, 78880878), (2, 39440439), (3, 26293626), (6, 13146813), (9, 8764542), (18, 4382271), (27, 2921514), (54, 1460757), (81, 973838), (89, 886302), (162, 486919), (178, 443151), (267, 295434), (534, 147717), (801, 98478), (1602, 49239), (2403, 32826), (4806, 16413), (5471, 14418), (7209, 10942)]