71388275

素因数分解:

$5^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{811}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 101493504

約数和(自身を除く): 30105229

約数列:

[1, 5, 7, 25, 35, 175, 503, 811, 2515, 3521, 4055, 5677, 12575, 17605, 20275, 28385, 88025, 141925, 407933, 2039665, 2855531, 10198325, 14277655, 71388275]

約数ペア:

[(1, 71388275), (5, 14277655), (7, 10198325), (25, 2855531), (35, 2039665), (175, 407933), (503, 141925), (811, 88025), (2515, 28385), (3521, 20275), (4055, 17605), (5677, 12575)]