142740728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{2239}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 288825600

約数和(自身を除く): 146084872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 613, 1226, 2239, 2452, 4478, 4904, 7969, 8956, 15938, 17912, 29107, 31876, 58214, 63752, 116428, 232856, 1372507, 2745014, 5490028, 10980056, 17842591, 35685182, 71370364, 142740728]

約数ペア:

[(1, 142740728), (2, 71370364), (4, 35685182), (8, 17842591), (13, 10980056), (26, 5490028), (52, 2745014), (104, 1372507), (613, 232856), (1226, 116428), (2239, 63752), (2452, 58214), (4478, 31876), (4904, 29107), (7969, 17912), (8956, 15938)]