51647148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{659}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 149909760

約数和(自身を除く): 98262612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 311, 622, 659, 933, 1244, 1318, 1866, 1977, 2177, 2636, 2799, 3732, 3954, 4354, 4613, 5598, 5931, 6531, 7908, 8708, 9226, 11196, 11862, 13062, 13839, 18452, 19593, 23724, 26124, 27678, 39186, 41517, 55356, 78372, 83034, 166068, 204949, 409898, 614847, 819796, 1229694, 1434643, 1844541, 2459388, 2869286, 3689082, 4303929, 5738572, 7378164, 8607858, 12911787, 17215716, 25823574, 51647148]

約数ペア:

[(1, 51647148), (2, 25823574), (3, 17215716), (4, 12911787), (6, 8607858), (7, 7378164), (9, 5738572), (12, 4303929), (14, 3689082), (18, 2869286), (21, 2459388), (28, 1844541), (36, 1434643), (42, 1229694), (63, 819796), (84, 614847), (126, 409898), (252, 204949), (311, 166068), (622, 83034), (659, 78372), (933, 55356), (1244, 41517), (1318, 39186), (1866, 27678), (1977, 26124), (2177, 23724), (2636, 19593), (2799, 18452), (3732, 13839), (3954, 13062), (4354, 11862), (4613, 11196), (5598, 9226), (5931, 8708), (6531, 7908)]