51431406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 115831296

約数和(自身を除く): 64399890

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 71, 74, 78, 111, 142, 213, 222, 251, 426, 481, 502, 753, 923, 962, 1443, 1506, 1846, 2627, 2769, 2886, 3263, 5254, 5538, 6526, 7881, 9287, 9789, 15762, 17821, 18574, 19578, 27861, 34151, 35642, 53463, 55722, 68302, 102453, 106926, 120731, 204906, 231673, 241462, 362193, 463346, 659377, 695019, 724386, 1318754, 1390038, 1978131, 3956262, 8571901, 17143802, 25715703, 51431406]

約数ペア:

[(1, 51431406), (2, 25715703), (3, 17143802), (6, 8571901), (13, 3956262), (26, 1978131), (37, 1390038), (39, 1318754), (71, 724386), (74, 695019), (78, 659377), (111, 463346), (142, 362193), (213, 241462), (222, 231673), (251, 204906), (426, 120731), (481, 106926), (502, 102453), (753, 68302), (923, 55722), (962, 53463), (1443, 35642), (1506, 34151), (1846, 27861), (2627, 19578), (2769, 18574), (2886, 17821), (3263, 15762), (5254, 9789), (5538, 9287), (6526, 7881)]