28357978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 48081600

約数和(自身を除く): 19723622

約数列:

[1, 2, 11, 22, 41, 82, 149, 211, 298, 422, 451, 902, 1639, 2321, 3278, 4642, 6109, 8651, 12218, 17302, 31439, 62878, 67199, 95161, 134398, 190322, 345829, 691658, 1288999, 2577998, 14178989, 28357978]

約数ペア:

[(1, 28357978), (2, 14178989), (11, 2577998), (22, 1288999), (41, 691658), (82, 345829), (149, 190322), (211, 134398), (298, 95161), (422, 67199), (451, 62878), (902, 31439), (1639, 17302), (2321, 12218), (3278, 8651), (4642, 6109)]