668276336

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{458981}}^1$

素因数の和:459009

約数の個数: 40

約数和(自身を含む): 1593585504

約数和(自身を除く): 925309168

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 458981, 917962, 1835924, 3212867, 3671848, 5966753, 6425734, 7343696, 11933506, 12851468, 23867012, 25702936, 41767271, 47734024, 51405872, 83534542, 95468048, 167069084, 334138168, 668276336]

約数ペア:

[(1, 668276336), (2, 334138168), (4, 167069084), (7, 95468048), (8, 83534542), (13, 51405872), (14, 47734024), (16, 41767271), (26, 25702936), (28, 23867012), (52, 12851468), (56, 11933506), (91, 7343696), (104, 6425734), (112, 5966753), (182, 3671848), (208, 3212867), (364, 1835924), (728, 917962), (1456, 458981)]