71641825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1669}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 95049720

約数和(自身を除く): 23407895

約数列:

[1, 5, 17, 25, 85, 101, 425, 505, 1669, 1717, 2525, 8345, 8585, 28373, 41725, 42925, 141865, 168569, 709325, 842845, 2865673, 4214225, 14328365, 71641825]

約数ペア:

[(1, 71641825), (5, 14328365), (17, 4214225), (25, 2865673), (85, 842845), (101, 709325), (425, 168569), (505, 141865), (1669, 42925), (1717, 41725), (2525, 28373), (8345, 8585)]