309983518

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 548352000

約数和(自身を除く): 238368482

約数列:

[1, 2, 13, 19, 26, 38, 47, 79, 94, 158, 169, 247, 338, 494, 611, 893, 1027, 1222, 1501, 1786, 2054, 2197, 3002, 3211, 3713, 4394, 6422, 7426, 7943, 11609, 13351, 15886, 19513, 23218, 26702, 39026, 41743, 48269, 70547, 83486, 96538, 103259, 141094, 150917, 173563, 206518, 253669, 301834, 347126, 507338, 627497, 917111, 1254994, 1834222, 1961921, 3297697, 3923842, 6595394, 8157461, 11922443, 16314922, 23844886, 154991759, 309983518]

約数ペア:

[(1, 309983518), (2, 154991759), (13, 23844886), (19, 16314922), (26, 11922443), (38, 8157461), (47, 6595394), (79, 3923842), (94, 3297697), (158, 1961921), (169, 1834222), (247, 1254994), (338, 917111), (494, 627497), (611, 507338), (893, 347126), (1027, 301834), (1222, 253669), (1501, 206518), (1786, 173563), (2054, 150917), (2197, 141094), (3002, 103259), (3211, 96538), (3713, 83486), (4394, 70547), (6422, 48269), (7426, 41743), (7943, 39026), (11609, 26702), (13351, 23218), (15886, 19513)]