687091808

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{127051}}^1$

素因数の和:127087

約数の個数: 36

約数和(自身を含む): 1464782508

約数和(自身を除く): 777690700

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 127051, 254102, 508204, 1016408, 1651663, 2032816, 3303326, 4065632, 6606652, 13213304, 21471619, 26426608, 42943238, 52853216, 85886476, 171772952, 343545904, 687091808]

約数ペア:

[(1, 687091808), (2, 343545904), (4, 171772952), (8, 85886476), (13, 52853216), (16, 42943238), (26, 26426608), (32, 21471619), (52, 13213304), (104, 6606652), (169, 4065632), (208, 3303326), (338, 2032816), (416, 1651663), (676, 1016408), (1352, 508204), (2704, 254102), (5408, 127051)]