208177528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{769}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 446292000

約数和(自身を除く): 238114472

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 137, 152, 247, 274, 494, 548, 769, 988, 1096, 1538, 1781, 1976, 2603, 3076, 3562, 5206, 6152, 7124, 9997, 10412, 14248, 14611, 19994, 20824, 29222, 33839, 39988, 58444, 67678, 79976, 105353, 116888, 135356, 189943, 210706, 270712, 379886, 421412, 759772, 842824, 1369589, 1519544, 2001707, 2739178, 4003414, 5478356, 8006828, 10956712, 16013656, 26022191, 52044382, 104088764, 208177528]

約数ペア:

[(1, 208177528), (2, 104088764), (4, 52044382), (8, 26022191), (13, 16013656), (19, 10956712), (26, 8006828), (38, 5478356), (52, 4003414), (76, 2739178), (104, 2001707), (137, 1519544), (152, 1369589), (247, 842824), (274, 759772), (494, 421412), (548, 379886), (769, 270712), (988, 210706), (1096, 189943), (1538, 135356), (1781, 116888), (1976, 105353), (2603, 79976), (3076, 67678), (3562, 58444), (5206, 39988), (6152, 33839), (7124, 29222), (9997, 20824), (10412, 19994), (14248, 14611)]