78072918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{487}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 195637248

約数和(自身を除く): 117564330

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 347, 462, 487, 694, 974, 1041, 1461, 2082, 2429, 2922, 3409, 3817, 4858, 5357, 6818, 7287, 7634, 10227, 10714, 11451, 14574, 16071, 20454, 22902, 26719, 32142, 37499, 53438, 74998, 80157, 112497, 160314, 168989, 224994, 337978, 506967, 1013934, 1182923, 1858879, 2365846, 3548769, 3717758, 5576637, 7097538, 11153274, 13012153, 26024306, 39036459, 78072918]

約数ペア:

[(1, 78072918), (2, 39036459), (3, 26024306), (6, 13012153), (7, 11153274), (11, 7097538), (14, 5576637), (21, 3717758), (22, 3548769), (33, 2365846), (42, 1858879), (66, 1182923), (77, 1013934), (154, 506967), (231, 337978), (347, 224994), (462, 168989), (487, 160314), (694, 112497), (974, 80157), (1041, 74998), (1461, 53438), (2082, 37499), (2429, 32142), (2922, 26719), (3409, 22902), (3817, 20454), (4858, 16071), (5357, 14574), (6818, 11451), (7287, 10714), (7634, 10227)]