2566978274

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1\times {\mathrm{293}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 4727745792

約数和(自身を除く): 2160767518

約数列:

[1, 2, 7, 14, 17, 34, 119, 131, 238, 262, 281, 293, 562, 586, 917, 1834, 1967, 2051, 2227, 3934, 4102, 4454, 4777, 4981, 9554, 9962, 15589, 31178, 33439, 34867, 36811, 38383, 66878, 69734, 73622, 76766, 82333, 164666, 257677, 268681, 515354, 537362, 576331, 625787, 652511, 1152662, 1251574, 1305022, 1399661, 2799322, 4380509, 4567577, 8761018, 9135154, 9797627, 10785623, 19595254, 21571246, 75499361, 150998722, 183355591, 366711182, 1283489137, 2566978274]

約数ペア:

[(1, 2566978274), (2, 1283489137), (7, 366711182), (14, 183355591), (17, 150998722), (34, 75499361), (119, 21571246), (131, 19595254), (238, 10785623), (262, 9797627), (281, 9135154), (293, 8761018), (562, 4567577), (586, 4380509), (917, 2799322), (1834, 1399661), (1967, 1305022), (2051, 1251574), (2227, 1152662), (3934, 652511), (4102, 625787), (4454, 576331), (4777, 537362), (4981, 515354), (9554, 268681), (9962, 257677), (15589, 164666), (31178, 82333), (33439, 76766), (34867, 73622), (36811, 69734), (38383, 66878)]