128873916

素因数分解:

$2^2\times 3^4\times {\mathrm{397759}}^1$

素因数の和:397775

約数の個数: 30

約数和(自身を含む): 336902720

約数和(自身を除く): 208028804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 397759, 795518, 1193277, 1591036, 2386554, 3579831, 4773108, 7159662, 10739493, 14319324, 21478986, 32218479, 42957972, 64436958, 128873916]

約数ペア:

[(1, 128873916), (2, 64436958), (3, 42957972), (4, 32218479), (6, 21478986), (9, 14319324), (12, 10739493), (18, 7159662), (27, 4773108), (36, 3579831), (54, 2386554), (81, 1591036), (108, 1193277), (162, 795518), (324, 397759)]