28881678

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 67674960

約数和(自身を除く): 38793282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 193, 294, 386, 509, 579, 1018, 1158, 1351, 1527, 2702, 3054, 3563, 4053, 7126, 8106, 9457, 10689, 18914, 21378, 24941, 28371, 49882, 56742, 74823, 98237, 149646, 196474, 294711, 589422, 687659, 1375318, 2062977, 4125954, 4813613, 9627226, 14440839, 28881678]

約数ペア:

[(1, 28881678), (2, 14440839), (3, 9627226), (6, 4813613), (7, 4125954), (14, 2062977), (21, 1375318), (42, 687659), (49, 589422), (98, 294711), (147, 196474), (193, 149646), (294, 98237), (386, 74823), (509, 56742), (579, 49882), (1018, 28371), (1158, 24941), (1351, 21378), (1527, 18914), (2702, 10689), (3054, 9457), (3563, 8106), (4053, 7126)]