639027984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{26053}}^1$

素因数の和:26144

約数の個数: 80

約数和(自身を含む): 1912572032

約数和(自身を除く): 1273544048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 73, 84, 112, 146, 168, 219, 292, 336, 438, 511, 584, 876, 1022, 1168, 1533, 1752, 2044, 3066, 3504, 4088, 6132, 8176, 12264, 24528, 26053, 52106, 78159, 104212, 156318, 182371, 208424, 312636, 364742, 416848, 547113, 625272, 729484, 1094226, 1250544, 1458968, 1901869, 2188452, 2917936, 3803738, 4376904, 5705607, 7607476, 8753808, 11411214, 13313083, 15214952, 22822428, 26626166, 30429904, 39939249, 45644856, 53252332, 79878498, 91289712, 106504664, 159756996, 213009328, 319513992, 639027984]

約数ペア:

[(1, 639027984), (2, 319513992), (3, 213009328), (4, 159756996), (6, 106504664), (7, 91289712), (8, 79878498), (12, 53252332), (14, 45644856), (16, 39939249), (21, 30429904), (24, 26626166), (28, 22822428), (42, 15214952), (48, 13313083), (56, 11411214), (73, 8753808), (84, 7607476), (112, 5705607), (146, 4376904), (168, 3803738), (219, 2917936), (292, 2188452), (336, 1901869), (438, 1458968), (511, 1250544), (584, 1094226), (876, 729484), (1022, 625272), (1168, 547113), (1533, 416848), (1752, 364742), (2044, 312636), (3066, 208424), (3504, 182371), (4088, 156318), (6132, 104212), (8176, 78159), (12264, 52106), (24528, 26053)]