639008028

素因数分解:

$2^2\times 3^4\times {\mathrm{1972247}}^1$

素因数の和:1972263

約数の個数: 30

約数和(自身を含む): 1670494056

約数和(自身を除く): 1031486028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1972247, 3944494, 5916741, 7888988, 11833482, 17750223, 23666964, 35500446, 53250669, 71000892, 106501338, 159752007, 213002676, 319504014, 639008028]

約数ペア:

[(1, 639008028), (2, 319504014), (3, 213002676), (4, 159752007), (6, 106501338), (9, 71000892), (12, 53250669), (18, 35500446), (27, 23666964), (36, 17750223), (54, 11833482), (81, 7888988), (108, 5916741), (162, 3944494), (324, 1972247)]