291327088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{45181}}^1$

素因数の和:45233

約数の個数: 40

約数和(自身を含む): 627487616

約数和(自身を除く): 336160528

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 45181, 90362, 180724, 361448, 587353, 722896, 1174706, 1400611, 2349412, 2801222, 4698824, 5602444, 9397648, 11204888, 18207943, 22409776, 36415886, 72831772, 145663544, 291327088]

約数ペア:

[(1, 291327088), (2, 145663544), (4, 72831772), (8, 36415886), (13, 22409776), (16, 18207943), (26, 11204888), (31, 9397648), (52, 5602444), (62, 4698824), (104, 2801222), (124, 2349412), (208, 1400611), (248, 1174706), (403, 722896), (496, 587353), (806, 361448), (1612, 180724), (3224, 90362), (6448, 45181)]