8645936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 18217584

約数和(自身を除く): 9571648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 211, 394, 422, 788, 844, 1576, 1688, 2561, 2743, 3152, 3376, 5122, 5486, 10244, 10972, 20488, 21944, 40976, 41567, 43888, 83134, 166268, 332536, 540371, 665072, 1080742, 2161484, 4322968, 8645936]

約数ペア:

[(1, 8645936), (2, 4322968), (4, 2161484), (8, 1080742), (13, 665072), (16, 540371), (26, 332536), (52, 166268), (104, 83134), (197, 43888), (208, 41567), (211, 40976), (394, 21944), (422, 20488), (788, 10972), (844, 10244), (1576, 5486), (1688, 5122), (2561, 3376), (2743, 3152)]