890453949

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 1528934400

約数和(自身を除く): 638480451

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 149, 231, 287, 447, 451, 631, 861, 1043, 1353, 1639, 1893, 3129, 3157, 4417, 4917, 6109, 6941, 9471, 11473, 13251, 18327, 20823, 25871, 34419, 42763, 48587, 67199, 77613, 94019, 128289, 145761, 181097, 201597, 282057, 284581, 470393, 543291, 658133, 853743, 1034209, 1411179, 1974399, 1992067, 3102627, 3854779, 5976201, 7239463, 11564337, 21718389, 26983453, 42402569, 80950359, 127207707, 296817983, 890453949]

約数ペア:

[(1, 890453949), (3, 296817983), (7, 127207707), (11, 80950359), (21, 42402569), (33, 26983453), (41, 21718389), (77, 11564337), (123, 7239463), (149, 5976201), (231, 3854779), (287, 3102627), (447, 1992067), (451, 1974399), (631, 1411179), (861, 1034209), (1043, 853743), (1353, 658133), (1639, 543291), (1893, 470393), (3129, 284581), (3157, 282057), (4417, 201597), (4917, 181097), (6109, 145761), (6941, 128289), (9471, 94019), (11473, 77613), (13251, 67199), (18327, 48587), (20823, 42763), (25871, 34419)]