71220275

素因数分解:

$5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1237}}^1$

素因数の和:1308

約数の個数: 36

約数和(自身を含む): 105002208

約数和(自身を除く): 33781933

約数列:

[1, 5, 7, 25, 35, 47, 49, 175, 235, 245, 329, 1175, 1225, 1237, 1645, 2303, 6185, 8225, 8659, 11515, 30925, 43295, 57575, 58139, 60613, 216475, 290695, 303065, 406973, 1453475, 1515325, 2034865, 2848811, 10174325, 14244055, 71220275]

約数ペア:

[(1, 71220275), (5, 14244055), (7, 10174325), (25, 2848811), (35, 2034865), (47, 1515325), (49, 1453475), (175, 406973), (235, 303065), (245, 290695), (329, 216475), (1175, 60613), (1225, 58139), (1237, 57575), (1645, 43295), (2303, 30925), (6185, 11515), (8225, 8659)]