2019989419

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{1051}}^1$

素因数の和:1627

約数の個数: 32

約数和(自身を含む): 2530455552

約数和(自身を除く): 510466133

約数列:

[1, 7, 17, 31, 119, 217, 521, 527, 1051, 3647, 3689, 7357, 8857, 16151, 17867, 32581, 61999, 113057, 125069, 228067, 274567, 547571, 553877, 1921969, 3832997, 3877139, 9308707, 16974701, 65160949, 118822907, 288569917, 2019989419]

約数ペア:

[(1, 2019989419), (7, 288569917), (17, 118822907), (31, 65160949), (119, 16974701), (217, 9308707), (521, 3877139), (527, 3832997), (1051, 1921969), (3647, 553877), (3689, 547571), (7357, 274567), (8857, 228067), (16151, 125069), (17867, 113057), (32581, 61999)]