201979730

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{154183}}^1$

素因数の和:154321

約数の個数: 16

約数和(自身を含む): 366341184

約数和(自身を除く): 164361454

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 154183, 308366, 770915, 1541830, 20197973, 40395946, 100989865, 201979730]

約数ペア:

[(1, 201979730), (2, 100989865), (5, 40395946), (10, 20197973), (131, 1541830), (262, 770915), (655, 308366), (1310, 154183)]