28399528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{727}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 56347200

約数和(自身を除く): 27947672

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 257, 514, 727, 1028, 1454, 2056, 2908, 4883, 5816, 9766, 13813, 19532, 27626, 39064, 55252, 110504, 186839, 373678, 747356, 1494712, 3549941, 7099882, 14199764, 28399528]

約数ペア:

[(1, 28399528), (2, 14199764), (4, 7099882), (8, 3549941), (19, 1494712), (38, 747356), (76, 373678), (152, 186839), (257, 110504), (514, 55252), (727, 39064), (1028, 27626), (1454, 19532), (2056, 13813), (2908, 9766), (4883, 5816)]