641772

素因数分解:

$2^2\times 3^2\times {\mathrm{17827}}^1$

素因数の和:17837

約数の個数: 18

約数和(自身を含む): 1622348

約数和(自身を除く): 980576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 17827, 35654, 53481, 71308, 106962, 160443, 213924, 320886, 641772]

約数ペア:

[(1, 641772), (2, 320886), (3, 213924), (4, 160443), (6, 106962), (9, 71308), (12, 53481), (18, 35654), (36, 17827)]