388490004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4957}}^1$

素因数の和:5285

約数の個数: 72

約数和(自身を含む): 1126140288

約数和(自身を除く): 737650284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 311, 622, 933, 1244, 1866, 2177, 2799, 3732, 4354, 4957, 5598, 6531, 8708, 9914, 11196, 13062, 14871, 19593, 19828, 26124, 29742, 34699, 39186, 44613, 59484, 69398, 78372, 89226, 104097, 138796, 178452, 208194, 312291, 416388, 624582, 1249164, 1541627, 3083254, 4624881, 6166508, 9249762, 10791389, 13874643, 18499524, 21582778, 27749286, 32374167, 43165556, 55498572, 64748334, 97122501, 129496668, 194245002, 388490004]

約数ペア:

[(1, 388490004), (2, 194245002), (3, 129496668), (4, 97122501), (6, 64748334), (7, 55498572), (9, 43165556), (12, 32374167), (14, 27749286), (18, 21582778), (21, 18499524), (28, 13874643), (36, 10791389), (42, 9249762), (63, 6166508), (84, 4624881), (126, 3083254), (252, 1541627), (311, 1249164), (622, 624582), (933, 416388), (1244, 312291), (1866, 208194), (2177, 178452), (2799, 138796), (3732, 104097), (4354, 89226), (4957, 78372), (5598, 69398), (6531, 59484), (8708, 44613), (9914, 39186), (11196, 34699), (13062, 29742), (14871, 26124), (19593, 19828)]