689480672

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{2003}}^1$

素因数の和:2391

約数の個数: 48

約数和(自身を含む): 1405942272

約数和(自身を除く): 716461600

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 347, 496, 694, 992, 1388, 2003, 2776, 4006, 5552, 8012, 10757, 11104, 16024, 21514, 32048, 43028, 62093, 64096, 86056, 124186, 172112, 248372, 344224, 496744, 695041, 993488, 1390082, 1986976, 2780164, 5560328, 11120656, 21546271, 22241312, 43092542, 86185084, 172370168, 344740336, 689480672]

約数ペア:

[(1, 689480672), (2, 344740336), (4, 172370168), (8, 86185084), (16, 43092542), (31, 22241312), (32, 21546271), (62, 11120656), (124, 5560328), (248, 2780164), (347, 1986976), (496, 1390082), (694, 993488), (992, 695041), (1388, 496744), (2003, 344224), (2776, 248372), (4006, 172112), (5552, 124186), (8012, 86056), (10757, 64096), (11104, 62093), (16024, 43028), (21514, 32048)]