278030168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{39901}}^1$

素因数の和:39987

約数の個数: 32

約数和(自身を含む): 569800560

約数和(自身を除く): 291770392

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 39901, 79802, 159604, 319208, 518713, 1037426, 2074852, 2673367, 4149704, 5346734, 10693468, 21386936, 34753771, 69507542, 139015084, 278030168]

約数ペア:

[(1, 278030168), (2, 139015084), (4, 69507542), (8, 34753771), (13, 21386936), (26, 10693468), (52, 5346734), (67, 4149704), (104, 2673367), (134, 2074852), (268, 1037426), (536, 518713), (871, 319208), (1742, 159604), (3484, 79802), (6968, 39901)]