201217291268

素因数分解:

$2^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1481}}^1\times {\mathrm{4987}}^1$

素因数の和:6625

約数の個数: 72

約数和(自身を含む): 412929185760

約数和(自身を除く): 211711894492

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 278, 556, 973, 1481, 1946, 2962, 3892, 4987, 5924, 6811, 9974, 10367, 13622, 19948, 20734, 27244, 34909, 41468, 69818, 72569, 139636, 145138, 205859, 244363, 290276, 411718, 488726, 693193, 823436, 977452, 1386386, 1441013, 2772772, 2882026, 4852351, 5764052, 7385747, 9704702, 10087091, 14771494, 19409404, 20174182, 29542988, 33966457, 40348364, 51700229, 67932914, 103400458, 135865828, 206800916, 361901603, 723803206, 1026618833, 1447606412, 2053237666, 4106475332, 7186331831, 14372663662, 28745327324, 50304322817, 100608645634, 201217291268]

約数ペア:

[(1, 201217291268), (2, 100608645634), (4, 50304322817), (7, 28745327324), (14, 14372663662), (28, 7186331831), (49, 4106475332), (98, 2053237666), (139, 1447606412), (196, 1026618833), (278, 723803206), (556, 361901603), (973, 206800916), (1481, 135865828), (1946, 103400458), (2962, 67932914), (3892, 51700229), (4987, 40348364), (5924, 33966457), (6811, 29542988), (9974, 20174182), (10367, 19409404), (13622, 14771494), (19948, 10087091), (20734, 9704702), (27244, 7385747), (34909, 5764052), (41468, 4852351), (69818, 2882026), (72569, 2772772), (139636, 1441013), (145138, 1386386), (205859, 977452), (244363, 823436), (290276, 693193), (411718, 488726)]