15721132588

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2477}}^1\times {\mathrm{2731}}^1$

素因数の和:5302

約数の個数: 48

約数和(自身を含む): 31845590784

約数和(自身を除く): 16124458196

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 2477, 2731, 4954, 5462, 9908, 10924, 17339, 19117, 34678, 38234, 69356, 76468, 205591, 226673, 411182, 453346, 822364, 906692, 1439137, 1586711, 2878274, 3173422, 5756548, 6346844, 6764687, 13529374, 27058748, 47352809, 94705618, 189411236, 561469021, 1122938042, 2245876084, 3930283147, 7860566294, 15721132588]

約数ペア:

[(1, 15721132588), (2, 7860566294), (4, 3930283147), (7, 2245876084), (14, 1122938042), (28, 561469021), (83, 189411236), (166, 94705618), (332, 47352809), (581, 27058748), (1162, 13529374), (2324, 6764687), (2477, 6346844), (2731, 5756548), (4954, 3173422), (5462, 2878274), (9908, 1586711), (10924, 1439137), (17339, 906692), (19117, 822364), (34678, 453346), (38234, 411182), (69356, 226673), (76468, 205591)]