248085705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2470

約数の個数: 64

約数和(自身を含む): 484577280

約数和(自身を除く): 236491575

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 43, 69, 105, 115, 129, 161, 215, 301, 345, 483, 645, 805, 903, 989, 1505, 2389, 2415, 2967, 4515, 4945, 6923, 7167, 11945, 14835, 16723, 20769, 34615, 35835, 50169, 54947, 83615, 102727, 103845, 164841, 250845, 274735, 308181, 384629, 513635, 719089, 824205, 1153887, 1540905, 1923145, 2157267, 2362721, 3595445, 5769435, 7088163, 10786335, 11813605, 16539047, 35440815, 49617141, 82695235, 248085705]

約数ペア:

[(1, 248085705), (3, 82695235), (5, 49617141), (7, 35440815), (15, 16539047), (21, 11813605), (23, 10786335), (35, 7088163), (43, 5769435), (69, 3595445), (105, 2362721), (115, 2157267), (129, 1923145), (161, 1540905), (215, 1153887), (301, 824205), (345, 719089), (483, 513635), (645, 384629), (805, 308181), (903, 274735), (989, 250845), (1505, 164841), (2389, 103845), (2415, 102727), (2967, 83615), (4515, 54947), (4945, 50169), (6923, 35835), (7167, 34615), (11945, 20769), (14835, 16723)]