257112231

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 365091840

約数和(自身を除く): 107979609

約数列:

[1, 3, 29, 47, 87, 141, 227, 277, 681, 831, 1363, 4089, 6583, 8033, 10669, 13019, 19749, 24099, 32007, 39057, 62879, 188637, 309401, 377551, 928203, 1132653, 1823491, 2955313, 5470473, 8865939, 85704077, 257112231]

約数ペア:

[(1, 257112231), (3, 85704077), (29, 8865939), (47, 5470473), (87, 2955313), (141, 1823491), (227, 1132653), (277, 928203), (681, 377551), (831, 309401), (1363, 188637), (4089, 62879), (6583, 39057), (8033, 32007), (10669, 24099), (13019, 19749)]