289819868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1103}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 567791616

約数和(自身を除く): 277971748

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 163, 326, 403, 652, 806, 1103, 1612, 2119, 2206, 4238, 4412, 5053, 8476, 10106, 14339, 20212, 28678, 34193, 57356, 65689, 68386, 131378, 136772, 179789, 262756, 359578, 444509, 719156, 889018, 1778036, 2337257, 4674514, 5573459, 9349028, 11146918, 22293836, 72454967, 144909934, 289819868]

約数ペア:

[(1, 289819868), (2, 144909934), (4, 72454967), (13, 22293836), (26, 11146918), (31, 9349028), (52, 5573459), (62, 4674514), (124, 2337257), (163, 1778036), (326, 889018), (403, 719156), (652, 444509), (806, 359578), (1103, 262756), (1612, 179789), (2119, 136772), (2206, 131378), (4238, 68386), (4412, 65689), (5053, 57356), (8476, 34193), (10106, 28678), (14339, 20212)]