128426815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 174053376

約数和(自身を除く): 45626561

約数列:

[1, 5, 11, 37, 55, 185, 223, 283, 407, 1115, 1415, 2035, 2453, 3113, 8251, 10471, 12265, 15565, 41255, 52355, 63109, 90761, 115181, 315545, 453805, 575905, 694199, 2335033, 3470995, 11675165, 25685363, 128426815]

約数ペア:

[(1, 128426815), (5, 25685363), (11, 11675165), (37, 3470995), (55, 2335033), (185, 694199), (223, 575905), (283, 453805), (407, 315545), (1115, 115181), (1415, 90761), (2035, 63109), (2453, 52355), (3113, 41255), (8251, 15565), (10471, 12265)]