201998518981

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1553}}^1\times {\mathrm{5653}}^1$

素因数の和:7405

約数の個数: 32

約数和(自身を含む): 244611037440

約数和(自身を除く): 42612518459

約数列:

[1, 7, 19, 133, 173, 1211, 1553, 3287, 5653, 10871, 23009, 29507, 39571, 107407, 206549, 268669, 751849, 977969, 1880683, 5104711, 6845783, 8779109, 18581411, 35732977, 61453763, 130069877, 166803071, 1167621497, 1518785857, 10631500999, 28856931283, 201998518981]

約数ペア:

[(1, 201998518981), (7, 28856931283), (19, 10631500999), (133, 1518785857), (173, 1167621497), (1211, 166803071), (1553, 130069877), (3287, 61453763), (5653, 35732977), (10871, 18581411), (23009, 8779109), (29507, 6845783), (39571, 5104711), (107407, 1880683), (206549, 977969), (268669, 751849)]