25161591

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 18964617

約数列:

[1, 3, 7, 13, 21, 37, 39, 47, 53, 91, 111, 141, 159, 259, 273, 329, 371, 481, 611, 689, 777, 987, 1113, 1443, 1739, 1833, 1961, 2067, 2491, 3367, 4277, 4823, 5217, 5883, 7473, 10101, 12173, 12831, 13727, 14469, 17437, 22607, 25493, 32383, 36519, 41181, 52311, 67821, 76479, 92167, 97149, 158249, 178451, 226681, 276501, 474747, 535353, 645169, 680043, 1198171, 1935507, 3594513, 8387197, 25161591]

約数ペア:

[(1, 25161591), (3, 8387197), (7, 3594513), (13, 1935507), (21, 1198171), (37, 680043), (39, 645169), (47, 535353), (53, 474747), (91, 276501), (111, 226681), (141, 178451), (159, 158249), (259, 97149), (273, 92167), (329, 76479), (371, 67821), (481, 52311), (611, 41181), (689, 36519), (777, 32383), (987, 25493), (1113, 22607), (1443, 17437), (1739, 14469), (1833, 13727), (1961, 12831), (2067, 12173), (2491, 10101), (3367, 7473), (4277, 5883), (4823, 5217)]