71218525

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 109921536

約数和(自身を除く): 38703011

約数列:

[1, 5, 7, 17, 25, 35, 37, 85, 119, 175, 185, 259, 425, 595, 629, 647, 925, 1295, 2975, 3145, 3235, 4403, 4529, 6475, 10999, 15725, 16175, 22015, 22645, 23939, 54995, 76993, 110075, 113225, 119695, 167573, 274975, 384965, 406963, 598475, 837865, 1924825, 2034815, 2848741, 4189325, 10174075, 14243705, 71218525]

約数ペア:

[(1, 71218525), (5, 14243705), (7, 10174075), (17, 4189325), (25, 2848741), (35, 2034815), (37, 1924825), (85, 837865), (119, 598475), (175, 406963), (185, 384965), (259, 274975), (425, 167573), (595, 119695), (629, 113225), (647, 110075), (925, 76993), (1295, 54995), (2975, 23939), (3145, 22645), (3235, 22015), (4403, 16175), (4529, 15725), (6475, 10999)]