508728857

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4987}}^1$

素因数の和:5085

約数の個数: 32

約数和(自身を含む): 670387200

約数和(自身を除く): 161658343

約数列:

[1, 7, 13, 19, 59, 91, 133, 247, 413, 767, 1121, 1729, 4987, 5369, 7847, 14573, 34909, 64831, 94753, 102011, 294233, 453817, 663271, 1231789, 2059631, 3825029, 5590427, 8622523, 26775203, 39132989, 72675551, 508728857]

約数ペア:

[(1, 508728857), (7, 72675551), (13, 39132989), (19, 26775203), (59, 8622523), (91, 5590427), (133, 3825029), (247, 2059631), (413, 1231789), (767, 663271), (1121, 453817), (1729, 294233), (4987, 102011), (5369, 94753), (7847, 64831), (14573, 34909)]