219020210

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{167191}}^1$

素因数の和:167329

約数の個数: 16

約数和(自身を含む): 397248192

約数和(自身を除く): 178227982

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 167191, 334382, 835955, 1671910, 21902021, 43804042, 109510105, 219020210]

約数ペア:

[(1, 219020210), (2, 109510105), (5, 43804042), (10, 21902021), (131, 1671910), (262, 835955), (655, 334382), (1310, 167191)]