508775813

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^2$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 691117056

約数和(自身を除く): 182341243

約数列:

[1, 7, 13, 17, 31, 91, 103, 119, 217, 221, 403, 527, 721, 1339, 1547, 1751, 2821, 3193, 3689, 6851, 9373, 10609, 12257, 22351, 22763, 41509, 47957, 54281, 74263, 137917, 159341, 180353, 290563, 328879, 379967, 705653, 965419, 1262471, 2302153, 2344589, 4275427, 4939571, 5590943, 16412123, 29927989, 39136601, 72682259, 508775813]

約数ペア:

[(1, 508775813), (7, 72682259), (13, 39136601), (17, 29927989), (31, 16412123), (91, 5590943), (103, 4939571), (119, 4275427), (217, 2344589), (221, 2302153), (403, 1262471), (527, 965419), (721, 705653), (1339, 379967), (1547, 328879), (1751, 290563), (2821, 180353), (3193, 159341), (3689, 137917), (6851, 74263), (9373, 54281), (10609, 47957), (12257, 41509), (22351, 22763)]