213017890

素因数分解:

$2^1\times 5^1\times {\mathrm{4049}}^1\times {\mathrm{5261}}^1$

素因数の和:9317

約数の個数: 16

約数和(自身を含む): 383599800

約数和(自身を除く): 170581910

約数列:

[1, 2, 5, 10, 4049, 5261, 8098, 10522, 20245, 26305, 40490, 52610, 21301789, 42603578, 106508945, 213017890]

約数ペア:

[(1, 213017890), (2, 106508945), (5, 42603578), (10, 21301789), (4049, 52610), (5261, 40490), (8098, 26305), (10522, 20245)]