2557438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 4515840

約数和(自身を除く): 1958402

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 167, 247, 334, 403, 494, 589, 806, 1178, 2171, 3173, 4342, 5177, 6346, 7657, 10354, 15314, 41249, 67301, 82498, 98363, 134602, 196726, 1278719, 2557438]

約数ペア:

[(1, 2557438), (2, 1278719), (13, 196726), (19, 134602), (26, 98363), (31, 82498), (38, 67301), (62, 41249), (167, 15314), (247, 10354), (334, 7657), (403, 6346), (494, 5177), (589, 4342), (806, 3173), (1178, 2171)]