247495878

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21121}}^1$

素因数の和:21170

約数の個数: 64

約数和(自身を含む): 648867840

約数和(自身を除く): 401371962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 186, 189, 217, 279, 378, 434, 558, 651, 837, 1302, 1674, 1953, 3906, 5859, 11718, 21121, 42242, 63363, 126726, 147847, 190089, 295694, 380178, 443541, 570267, 654751, 887082, 1140534, 1309502, 1330623, 1964253, 2661246, 3928506, 3991869, 4583257, 5892759, 7983738, 9166514, 11785518, 13749771, 17678277, 27499542, 35356554, 41249313, 82498626, 123747939, 247495878]

約数ペア:

[(1, 247495878), (2, 123747939), (3, 82498626), (6, 41249313), (7, 35356554), (9, 27499542), (14, 17678277), (18, 13749771), (21, 11785518), (27, 9166514), (31, 7983738), (42, 5892759), (54, 4583257), (62, 3991869), (63, 3928506), (93, 2661246), (126, 1964253), (186, 1330623), (189, 1309502), (217, 1140534), (279, 887082), (378, 654751), (434, 570267), (558, 443541), (651, 380178), (837, 295694), (1302, 190089), (1674, 147847), (1953, 126726), (3906, 63363), (5859, 42242), (11718, 21121)]