1231356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 3338496

約数和(自身を除く): 2107140

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 137, 214, 274, 321, 411, 428, 548, 642, 749, 822, 959, 1284, 1498, 1644, 1918, 2247, 2877, 2996, 3836, 4494, 5754, 8988, 11508, 14659, 29318, 43977, 58636, 87954, 102613, 175908, 205226, 307839, 410452, 615678, 1231356]

約数ペア:

[(1, 1231356), (2, 615678), (3, 410452), (4, 307839), (6, 205226), (7, 175908), (12, 102613), (14, 87954), (21, 58636), (28, 43977), (42, 29318), (84, 14659), (107, 11508), (137, 8988), (214, 5754), (274, 4494), (321, 3836), (411, 2996), (428, 2877), (548, 2247), (642, 1918), (749, 1644), (822, 1498), (959, 1284)]