161666512

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6841}}^1$

素因数の和:7067

約数の個数: 40

約数和(自身を含む): 359724992

約数和(自身を除く): 198058480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1477, 1688, 2954, 3376, 5908, 6841, 11816, 13682, 23632, 27364, 47887, 54728, 95774, 109456, 191548, 383096, 766192, 1443451, 2886902, 5773804, 10104157, 11547608, 20208314, 23095216, 40416628, 80833256, 161666512]

約数ペア:

[(1, 161666512), (2, 80833256), (4, 40416628), (7, 23095216), (8, 20208314), (14, 11547608), (16, 10104157), (28, 5773804), (56, 2886902), (112, 1443451), (211, 766192), (422, 383096), (844, 191548), (1477, 109456), (1688, 95774), (2954, 54728), (3376, 47887), (5908, 27364), (6841, 23632), (11816, 13682)]