155938339

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 178421760

約数和(自身を除く): 22483421

約数列:

[1, 19, 31, 43, 47, 131, 589, 817, 893, 1333, 1457, 2021, 2489, 4061, 5633, 6157, 25327, 27683, 38399, 62651, 77159, 107027, 116983, 174623, 190867, 264751, 1190369, 3317837, 3626473, 5030269, 8207281, 155938339]

約数ペア:

[(1, 155938339), (19, 8207281), (31, 5030269), (43, 3626473), (47, 3317837), (131, 1190369), (589, 264751), (817, 190867), (893, 174623), (1333, 116983), (1457, 107027), (2021, 77159), (2489, 62651), (4061, 38399), (5633, 27683), (6157, 25327)]