71640208

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1499}}^1$

素因数の和:1639

約数の個数: 40

約数和(自身を含む): 145080000

約数和(自身を除く): 73439792

約数列:

[1, 2, 4, 8, 16, 29, 58, 103, 116, 206, 232, 412, 464, 824, 1499, 1648, 2987, 2998, 5974, 5996, 11948, 11992, 23896, 23984, 43471, 47792, 86942, 154397, 173884, 308794, 347768, 617588, 695536, 1235176, 2470352, 4477513, 8955026, 17910052, 35820104, 71640208]

約数ペア:

[(1, 71640208), (2, 35820104), (4, 17910052), (8, 8955026), (16, 4477513), (29, 2470352), (58, 1235176), (103, 695536), (116, 617588), (206, 347768), (232, 308794), (412, 173884), (464, 154397), (824, 86942), (1499, 47792), (1648, 43471), (2987, 23984), (2998, 23896), (5974, 11992), (5996, 11948)]