389614914

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7817}}^1$

素因数の和:7912

約数の個数: 64

約数和(自身を含む): 945665280

約数和(自身を除く): 556050366

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 117, 142, 213, 234, 351, 426, 639, 702, 923, 1278, 1846, 1917, 2769, 3834, 5538, 7817, 8307, 15634, 16614, 23451, 24921, 46902, 49842, 70353, 101621, 140706, 203242, 211059, 304863, 422118, 555007, 609726, 914589, 1110014, 1665021, 1829178, 2743767, 3330042, 4995063, 5487534, 7215091, 9990126, 14430182, 14985189, 21645273, 29970378, 43290546, 64935819, 129871638, 194807457, 389614914]

約数ペア:

[(1, 389614914), (2, 194807457), (3, 129871638), (6, 64935819), (9, 43290546), (13, 29970378), (18, 21645273), (26, 14985189), (27, 14430182), (39, 9990126), (54, 7215091), (71, 5487534), (78, 4995063), (117, 3330042), (142, 2743767), (213, 1829178), (234, 1665021), (351, 1110014), (426, 914589), (639, 609726), (702, 555007), (923, 422118), (1278, 304863), (1846, 211059), (1917, 203242), (2769, 140706), (3834, 101621), (5538, 70353), (7817, 49842), (8307, 46902), (15634, 24921), (16614, 23451)]