28213432

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4049}}^1$

素因数の和:4135

約数の個数: 32

約数和(自身を含む): 57834000

約数和(自身を除く): 29620568

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 4049, 6968, 8098, 16196, 32392, 52637, 105274, 210548, 271283, 421096, 542566, 1085132, 2170264, 3526679, 7053358, 14106716, 28213432]

約数ペア:

[(1, 28213432), (2, 14106716), (4, 7053358), (8, 3526679), (13, 2170264), (26, 1085132), (52, 542566), (67, 421096), (104, 271283), (134, 210548), (268, 105274), (536, 52637), (871, 32392), (1742, 16196), (3484, 8098), (4049, 6968)]