81623152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5857}}^1$

素因数の和:5945

約数の個数: 40

約数和(自身を含む): 172881296

約数和(自身を除く): 91258144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 5857, 6968, 11714, 13936, 23428, 46856, 76141, 93712, 152282, 304564, 392419, 609128, 784838, 1218256, 1569676, 3139352, 5101447, 6278704, 10202894, 20405788, 40811576, 81623152]

約数ペア:

[(1, 81623152), (2, 40811576), (4, 20405788), (8, 10202894), (13, 6278704), (16, 5101447), (26, 3139352), (52, 1569676), (67, 1218256), (104, 784838), (134, 609128), (208, 392419), (268, 304564), (536, 152282), (871, 93712), (1072, 76141), (1742, 46856), (3484, 23428), (5857, 13936), (6968, 11714)]