11991928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1807

約数の個数: 32

約数和(自身を含む): 24590160

約数和(自身を除く): 12598232

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1721, 1742, 3442, 3484, 6884, 6968, 13768, 22373, 44746, 89492, 115307, 178984, 230614, 461228, 922456, 1498991, 2997982, 5995964, 11991928]

約数ペア:

[(1, 11991928), (2, 5995964), (4, 2997982), (8, 1498991), (13, 922456), (26, 461228), (52, 230614), (67, 178984), (104, 115307), (134, 89492), (268, 44746), (536, 22373), (871, 13768), (1721, 6968), (1742, 6884), (3442, 3484)]