289707712

素因数分解:

$2^6\times 7^1\times {\mathrm{646669}}^1$

素因数の和:646688

約数の個数: 28

約数和(自身を含む): 657016720

約数和(自身を除く): 367309008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 646669, 1293338, 2586676, 4526683, 5173352, 9053366, 10346704, 18106732, 20693408, 36213464, 41386816, 72426928, 144853856, 289707712]

約数ペア:

[(1, 289707712), (2, 144853856), (4, 72426928), (7, 41386816), (8, 36213464), (14, 20693408), (16, 18106732), (28, 10346704), (32, 9053366), (56, 5173352), (64, 4526683), (112, 2586676), (224, 1293338), (448, 646669)]