639837654

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 1378944000

約数和(自身を除く): 739106346

約数列:

[1, 2, 3, 6, 19, 38, 57, 59, 114, 118, 177, 251, 354, 379, 502, 753, 758, 1121, 1137, 1506, 2242, 2274, 3363, 4769, 6726, 7201, 9538, 14307, 14402, 14809, 21603, 22361, 28614, 29618, 43206, 44427, 44722, 67083, 88854, 95129, 134166, 190258, 281371, 285387, 424859, 562742, 570774, 844113, 849718, 1274577, 1688226, 1807451, 2549154, 3614902, 5422353, 5612611, 10844706, 11225222, 16837833, 33675666, 106639609, 213279218, 319918827, 639837654]

約数ペア:

[(1, 639837654), (2, 319918827), (3, 213279218), (6, 106639609), (19, 33675666), (38, 16837833), (57, 11225222), (59, 10844706), (114, 5612611), (118, 5422353), (177, 3614902), (251, 2549154), (354, 1807451), (379, 1688226), (502, 1274577), (753, 849718), (758, 844113), (1121, 570774), (1137, 562742), (1506, 424859), (2242, 285387), (2274, 281371), (3363, 190258), (4769, 134166), (6726, 95129), (7201, 88854), (9538, 67083), (14307, 44722), (14402, 44427), (14809, 43206), (21603, 29618), (22361, 28614)]