30827990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71693}}^1$

素因数の和:71743

約数の個数: 16

約数和(自身を含む): 56781648

約数和(自身を除く): 25953658

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 71693, 143386, 358465, 716930, 3082799, 6165598, 15413995, 30827990]

約数ペア:

[(1, 30827990), (2, 15413995), (5, 6165598), (10, 3082799), (43, 716930), (86, 358465), (215, 143386), (430, 71693)]