201597781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{457}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 267501312

約数和(自身を除く): 65903531

約数列:

[1, 7, 11, 17, 77, 119, 187, 337, 457, 1309, 2359, 3199, 3707, 5027, 5729, 7769, 25949, 35189, 40103, 54383, 63019, 85459, 154009, 441133, 598213, 1078063, 1694099, 2618153, 11858693, 18327071, 28799683, 201597781]

約数ペア:

[(1, 201597781), (7, 28799683), (11, 18327071), (17, 11858693), (77, 2618153), (119, 1694099), (187, 1078063), (337, 598213), (457, 441133), (1309, 154009), (2359, 85459), (3199, 63019), (3707, 54383), (5027, 40103), (5729, 35189), (7769, 25949)]