90211910

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 164892672

約数和(自身を除く): 74680762

約数列:

[1, 2, 5, 10, 127, 251, 254, 283, 502, 566, 635, 1255, 1270, 1415, 2510, 2830, 31877, 35941, 63754, 71033, 71882, 142066, 159385, 179705, 318770, 355165, 359410, 710330, 9021191, 18042382, 45105955, 90211910]

約数ペア:

[(1, 90211910), (2, 45105955), (5, 18042382), (10, 9021191), (127, 710330), (251, 359410), (254, 355165), (283, 318770), (502, 179705), (566, 159385), (635, 142066), (1255, 71882), (1270, 71033), (1415, 63754), (2510, 35941), (2830, 31877)]