51290538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 118661760

約数和(自身を除く): 67371222

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 53, 57, 78, 106, 114, 159, 247, 318, 494, 653, 689, 741, 1007, 1306, 1378, 1482, 1959, 2014, 2067, 3021, 3918, 4134, 6042, 8489, 12407, 13091, 16978, 24814, 25467, 26182, 34609, 37221, 39273, 50934, 69218, 74442, 78546, 103827, 161291, 207654, 322582, 449917, 483873, 657571, 899834, 967746, 1315142, 1349751, 1972713, 2699502, 3945426, 8548423, 17096846, 25645269, 51290538]

約数ペア:

[(1, 51290538), (2, 25645269), (3, 17096846), (6, 8548423), (13, 3945426), (19, 2699502), (26, 1972713), (38, 1349751), (39, 1315142), (53, 967746), (57, 899834), (78, 657571), (106, 483873), (114, 449917), (159, 322582), (247, 207654), (318, 161291), (494, 103827), (653, 78546), (689, 74442), (741, 69218), (1007, 50934), (1306, 39273), (1378, 37221), (1482, 34609), (1959, 26182), (2014, 25467), (2067, 24814), (3021, 16978), (3918, 13091), (4134, 12407), (6042, 8489)]