201998319685

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 254909120256

約数和(自身を除く): 52910800571

約数列:

[1, 5, 41, 83, 163, 173, 205, 415, 421, 815, 865, 2105, 3403, 6683, 7093, 13529, 14359, 17015, 17261, 28199, 33415, 34943, 35465, 67645, 68623, 71795, 72833, 86305, 140995, 174715, 343115, 364165, 554689, 588719, 1156159, 1432663, 2340517, 2773445, 2813543, 2943595, 2986153, 5695709, 5780795, 6045139, 7163315, 11702585, 11871779, 14067715, 14930765, 28478545, 30225695, 59358895, 95961197, 233524069, 247850699, 479805985, 486742939, 985357657, 1167620345, 1239253495, 2433714695, 4926788285, 40399663937, 201998319685]

約数ペア:

[(1, 201998319685), (5, 40399663937), (41, 4926788285), (83, 2433714695), (163, 1239253495), (173, 1167620345), (205, 985357657), (415, 486742939), (421, 479805985), (815, 247850699), (865, 233524069), (2105, 95961197), (3403, 59358895), (6683, 30225695), (7093, 28478545), (13529, 14930765), (14359, 14067715), (17015, 11871779), (17261, 11702585), (28199, 7163315), (33415, 6045139), (34943, 5780795), (35465, 5695709), (67645, 2986153), (68623, 2943595), (71795, 2813543), (72833, 2773445), (86305, 2340517), (140995, 1432663), (174715, 1156159), (343115, 588719), (364165, 554689)]