2585648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 40

約数和(自身を含む): 5582976

約数和(自身を除く): 2997328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 401, 403, 496, 802, 806, 1604, 1612, 3208, 3224, 5213, 6416, 6448, 10426, 12431, 20852, 24862, 41704, 49724, 83408, 99448, 161603, 198896, 323206, 646412, 1292824, 2585648]

約数ペア:

[(1, 2585648), (2, 1292824), (4, 646412), (8, 323206), (13, 198896), (16, 161603), (26, 99448), (31, 83408), (52, 49724), (62, 41704), (104, 24862), (124, 20852), (208, 12431), (248, 10426), (401, 6448), (403, 6416), (496, 5213), (802, 3224), (806, 3208), (1604, 1612)]