199431128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{28621}}^1$

素因数の和:28707

約数の個数: 32

約数和(自身を含む): 408722160

約数和(自身を除く): 209291032

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 28621, 57242, 114484, 228968, 372073, 744146, 1488292, 1917607, 2976584, 3835214, 7670428, 15340856, 24928891, 49857782, 99715564, 199431128]

約数ペア:

[(1, 199431128), (2, 99715564), (4, 49857782), (8, 24928891), (13, 15340856), (26, 7670428), (52, 3835214), (67, 2976584), (104, 1917607), (134, 1488292), (268, 744146), (536, 372073), (871, 228968), (1742, 114484), (3484, 57242), (6968, 28621)]