639777628

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{13907}}^1$

素因数の和:14002

約数の個数: 48

約数和(自身を含む): 1345849344

約数和(自身を除く): 706071716

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 371, 434, 742, 868, 1484, 1643, 3286, 6572, 11501, 13907, 23002, 27814, 46004, 55628, 97349, 194698, 389396, 431117, 737071, 862234, 1474142, 1724468, 2948284, 3017819, 5159497, 6035638, 10318994, 12071276, 20637988, 22849201, 45698402, 91396804, 159944407, 319888814, 639777628]

約数ペア:

[(1, 639777628), (2, 319888814), (4, 159944407), (7, 91396804), (14, 45698402), (28, 22849201), (31, 20637988), (53, 12071276), (62, 10318994), (106, 6035638), (124, 5159497), (212, 3017819), (217, 2948284), (371, 1724468), (434, 1474142), (742, 862234), (868, 737071), (1484, 431117), (1643, 389396), (3286, 194698), (6572, 97349), (11501, 55628), (13907, 46004), (23002, 27814)]