639002844

素因数分解:

$2^2\times 3^4\times {\mathrm{1972231}}^1$

素因数の和:1972247

約数の個数: 30

約数和(自身を含む): 1670480504

約数和(自身を除く): 1031477660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1972231, 3944462, 5916693, 7888924, 11833386, 17750079, 23666772, 35500158, 53250237, 71000316, 106500474, 159750711, 213000948, 319501422, 639002844]

約数ペア:

[(1, 639002844), (2, 319501422), (3, 213000948), (4, 159750711), (6, 106500474), (9, 71000316), (12, 53250237), (18, 35500158), (27, 23666772), (36, 17750079), (54, 11833386), (81, 7888924), (108, 5916693), (162, 3944462), (324, 1972231)]