1561168

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 40

約数和(自身を含む): 3535488

約数和(自身を除く): 1974320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 263, 371, 424, 526, 742, 848, 1052, 1484, 1841, 2104, 2968, 3682, 4208, 5936, 7364, 13939, 14728, 27878, 29456, 55756, 97573, 111512, 195146, 223024, 390292, 780584, 1561168]

約数ペア:

[(1, 1561168), (2, 780584), (4, 390292), (7, 223024), (8, 195146), (14, 111512), (16, 97573), (28, 55756), (53, 29456), (56, 27878), (106, 14728), (112, 13939), (212, 7364), (263, 5936), (371, 4208), (424, 3682), (526, 2968), (742, 2104), (848, 1841), (1052, 1484)]