30731792

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21107}}^1$

素因数の和:21135

約数の個数: 40

約数和(自身を含む): 73286976

約数和(自身を除く): 42555184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21107, 42214, 84428, 147749, 168856, 274391, 295498, 337712, 548782, 590996, 1097564, 1181992, 1920737, 2195128, 2363984, 3841474, 4390256, 7682948, 15365896, 30731792]

約数ペア:

[(1, 30731792), (2, 15365896), (4, 7682948), (7, 4390256), (8, 3841474), (13, 2363984), (14, 2195128), (16, 1920737), (26, 1181992), (28, 1097564), (52, 590996), (56, 548782), (91, 337712), (104, 295498), (112, 274391), (182, 168856), (208, 147749), (364, 84428), (728, 42214), (1456, 21107)]