208806156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2579}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 571924080

約数和(自身を除く): 363117924

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 173, 234, 346, 468, 519, 692, 1038, 1557, 2076, 2249, 2579, 3114, 4498, 5158, 6228, 6747, 7737, 8996, 10316, 13494, 15474, 20241, 23211, 26988, 30948, 33527, 40482, 46422, 67054, 80964, 92844, 100581, 134108, 201162, 301743, 402324, 446167, 603486, 892334, 1206972, 1338501, 1784668, 2677002, 4015503, 5354004, 5800171, 8031006, 11600342, 16062012, 17400513, 23200684, 34801026, 52201539, 69602052, 104403078, 208806156]

約数ペア:

[(1, 208806156), (2, 104403078), (3, 69602052), (4, 52201539), (6, 34801026), (9, 23200684), (12, 17400513), (13, 16062012), (18, 11600342), (26, 8031006), (36, 5800171), (39, 5354004), (52, 4015503), (78, 2677002), (117, 1784668), (156, 1338501), (173, 1206972), (234, 892334), (346, 603486), (468, 446167), (519, 402324), (692, 301743), (1038, 201162), (1557, 134108), (2076, 100581), (2249, 92844), (2579, 80964), (3114, 67054), (4498, 46422), (5158, 40482), (6228, 33527), (6747, 30948), (7737, 26988), (8996, 23211), (10316, 20241), (13494, 15474)]