1815147068

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1\times {\mathrm{1409}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 3670060800

約数和(自身を除く): 1854913732

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 331, 556, 662, 973, 1324, 1409, 1946, 2317, 2818, 3892, 4634, 5636, 9268, 9863, 19726, 39452, 46009, 92018, 184036, 195851, 322063, 391702, 466379, 644126, 783404, 932758, 1288252, 1370957, 1865516, 2741914, 3264653, 5483828, 6529306, 13058612, 64826681, 129653362, 259306724, 453786767, 907573534, 1815147068]

約数ペア:

[(1, 1815147068), (2, 907573534), (4, 453786767), (7, 259306724), (14, 129653362), (28, 64826681), (139, 13058612), (278, 6529306), (331, 5483828), (556, 3264653), (662, 2741914), (973, 1865516), (1324, 1370957), (1409, 1288252), (1946, 932758), (2317, 783404), (2818, 644126), (3892, 466379), (4634, 391702), (5636, 322063), (9268, 195851), (9863, 184036), (19726, 92018), (39452, 46009)]