1640806321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{195497}}^1$

素因数の和:195624

約数の個数: 16

約数和(自身を含む): 2064458880

約数和(自身を除く): 423652559

約数列:

[1, 7, 11, 77, 109, 763, 1199, 8393, 195497, 1368479, 2150467, 15053269, 21309173, 149164211, 234400903, 1640806321]

約数ペア:

[(1, 1640806321), (7, 234400903), (11, 149164211), (77, 21309173), (109, 15053269), (763, 2150467), (1199, 1368479), (8393, 195497)]