215909615

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 274475520

約数和(自身を除く): 58565905

約数列:

[1, 5, 37, 59, 131, 151, 185, 295, 655, 755, 2183, 4847, 5587, 7729, 8909, 10915, 19781, 24235, 27935, 38645, 44545, 98905, 285973, 329633, 731897, 1167079, 1429865, 1648165, 3659485, 5835395, 43181923, 215909615]

約数ペア:

[(1, 215909615), (5, 43181923), (37, 5835395), (59, 3659485), (131, 1648165), (151, 1429865), (185, 1167079), (295, 731897), (655, 329633), (755, 285973), (2183, 98905), (4847, 44545), (5587, 38645), (7729, 27935), (8909, 24235), (10915, 19781)]