71439389

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 90326016

約数和(自身を除く): 18886627

約数列:

[1, 7, 17, 47, 53, 119, 241, 329, 371, 799, 901, 1687, 2491, 4097, 5593, 6307, 11327, 12773, 17437, 28679, 42347, 79289, 89411, 192559, 217141, 296429, 600331, 1347913, 1519987, 4202317, 10205627, 71439389]

約数ペア:

[(1, 71439389), (7, 10205627), (17, 4202317), (47, 1519987), (53, 1347913), (119, 600331), (241, 296429), (329, 217141), (371, 192559), (799, 89411), (901, 79289), (1687, 42347), (2491, 28679), (4097, 17437), (5593, 12773), (6307, 11327)]