639341706

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{3437321}}^1$

素因数の和:3437357

約数の個数: 16

約数和(自身を含む): 1319931648

約数和(自身を除く): 680589942

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 3437321, 6874642, 10311963, 20623926, 106556951, 213113902, 319670853, 639341706]

約数ペア:

[(1, 639341706), (2, 319670853), (3, 213113902), (6, 106556951), (31, 20623926), (62, 10311963), (93, 6874642), (186, 3437321)]