208381068

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3919}}^1$

素因数の和:4147

約数の個数: 72

約数和(自身を含む): 604997120

約数和(自身を除く): 396616052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 211, 252, 422, 633, 844, 1266, 1477, 1899, 2532, 2954, 3798, 3919, 4431, 5908, 7596, 7838, 8862, 11757, 13293, 15676, 17724, 23514, 26586, 27433, 35271, 47028, 53172, 54866, 70542, 82299, 109732, 141084, 164598, 246897, 329196, 493794, 826909, 987588, 1653818, 2480727, 3307636, 4961454, 5788363, 7442181, 9922908, 11576726, 14884362, 17365089, 23153452, 29768724, 34730178, 52095267, 69460356, 104190534, 208381068]

約数ペア:

[(1, 208381068), (2, 104190534), (3, 69460356), (4, 52095267), (6, 34730178), (7, 29768724), (9, 23153452), (12, 17365089), (14, 14884362), (18, 11576726), (21, 9922908), (28, 7442181), (36, 5788363), (42, 4961454), (63, 3307636), (84, 2480727), (126, 1653818), (211, 987588), (252, 826909), (422, 493794), (633, 329196), (844, 246897), (1266, 164598), (1477, 141084), (1899, 109732), (2532, 82299), (2954, 70542), (3798, 54866), (3919, 53172), (4431, 47028), (5908, 35271), (7596, 27433), (7838, 26586), (8862, 23514), (11757, 17724), (13293, 15676)]