28389268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 55440000

約数和(自身を除く): 27050732

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 109, 149, 218, 298, 436, 437, 596, 874, 1748, 2071, 2507, 2831, 3427, 4142, 5014, 5662, 6854, 8284, 10028, 11324, 13708, 16241, 32482, 47633, 64964, 65113, 95266, 130226, 190532, 260452, 308579, 373543, 617158, 747086, 1234316, 1494172, 7097317, 14194634, 28389268]

約数ペア:

[(1, 28389268), (2, 14194634), (4, 7097317), (19, 1494172), (23, 1234316), (38, 747086), (46, 617158), (76, 373543), (92, 308579), (109, 260452), (149, 190532), (218, 130226), (298, 95266), (436, 65113), (437, 64964), (596, 47633), (874, 32482), (1748, 16241), (2071, 13708), (2507, 11324), (2831, 10028), (3427, 8284), (4142, 6854), (5014, 5662)]