2145478

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:623

約数の個数: 16

約数和(自身を含む): 3382560

約数和(自身を除く): 1237082

約数列:

[1, 2, 29, 58, 71, 142, 521, 1042, 2059, 4118, 15109, 30218, 36991, 73982, 1072739, 2145478]

約数ペア:

[(1, 2145478), (2, 1072739), (29, 73982), (58, 36991), (71, 30218), (142, 15109), (521, 4118), (1042, 2059)]