138730844

素因数分解:

$2^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{16139}}^1$

素因数の和:16457

約数の個数: 24

約数和(自身を含む): 278382720

約数和(自身を除く): 139651876

約数列:

[1, 2, 4, 7, 14, 28, 307, 614, 1228, 2149, 4298, 8596, 16139, 32278, 64556, 112973, 225946, 451892, 4954673, 9909346, 19818692, 34682711, 69365422, 138730844]

約数ペア:

[(1, 138730844), (2, 69365422), (4, 34682711), (7, 19818692), (14, 9909346), (28, 4954673), (307, 451892), (614, 225946), (1228, 112973), (2149, 64556), (4298, 32278), (8596, 16139)]