256371488

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2371}}^1$

素因数の和:2521

約数の個数: 48

約数和(自身を含む): 526014720

約数和(自身を除く): 269643232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 109, 124, 218, 248, 436, 496, 872, 992, 1744, 2371, 3379, 3488, 4742, 6758, 9484, 13516, 18968, 27032, 37936, 54064, 73501, 75872, 108128, 147002, 258439, 294004, 516878, 588008, 1033756, 1176016, 2067512, 2352032, 4135024, 8011609, 8270048, 16023218, 32046436, 64092872, 128185744, 256371488]

約数ペア:

[(1, 256371488), (2, 128185744), (4, 64092872), (8, 32046436), (16, 16023218), (31, 8270048), (32, 8011609), (62, 4135024), (109, 2352032), (124, 2067512), (218, 1176016), (248, 1033756), (436, 588008), (496, 516878), (872, 294004), (992, 258439), (1744, 147002), (2371, 108128), (3379, 75872), (3488, 73501), (4742, 54064), (6758, 37936), (9484, 27032), (13516, 18968)]