389905842

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{8821}}^1$

素因数の和:9018

約数の個数: 32

約数和(自身を含む): 800331840

約数和(自身を除く): 410425998

約数列:

[1, 2, 3, 6, 53, 106, 139, 159, 278, 318, 417, 834, 7367, 8821, 14734, 17642, 22101, 26463, 44202, 52926, 467513, 935026, 1226119, 1402539, 2452238, 2805078, 3678357, 7356714, 64984307, 129968614, 194952921, 389905842]

約数ペア:

[(1, 389905842), (2, 194952921), (3, 129968614), (6, 64984307), (53, 7356714), (106, 3678357), (139, 2805078), (159, 2452238), (278, 1402539), (318, 1226119), (417, 935026), (834, 467513), (7367, 52926), (8821, 44202), (14734, 26463), (17642, 22101)]