390957358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{1483}}^1$

素因数の和:2040

約数の個数: 32

約数和(自身を含む): 669295872

約数和(自身を除く): 278338514

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 521, 1042, 1483, 2966, 5731, 11462, 11983, 16313, 23966, 32626, 34109, 68218, 131813, 263626, 375199, 750398, 772643, 1545286, 8499073, 16998146, 17770789, 35541578, 195478679, 390957358]

約数ペア:

[(1, 390957358), (2, 195478679), (11, 35541578), (22, 17770789), (23, 16998146), (46, 8499073), (253, 1545286), (506, 772643), (521, 750398), (1042, 375199), (1483, 263626), (2966, 131813), (5731, 68218), (11462, 34109), (11983, 32626), (16313, 23966)]