290746246

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{2371}}^1$

素因数の和:2860

約数の個数: 32

約数和(自身を含む): 526014720

約数和(自身を除く): 235268474

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 461, 922, 2371, 3227, 4742, 6454, 8759, 16597, 17518, 33194, 45049, 61313, 90098, 122626, 315343, 630686, 1093031, 2186062, 7651217, 15302434, 20767589, 41535178, 145373123, 290746246]

約数ペア:

[(1, 290746246), (2, 145373123), (7, 41535178), (14, 20767589), (19, 15302434), (38, 7651217), (133, 2186062), (266, 1093031), (461, 630686), (922, 315343), (2371, 122626), (3227, 90098), (4742, 61313), (6454, 45049), (8759, 33194), (16597, 17518)]