208498536

素因数分解:

$2^3\times 3^4\times {\mathrm{321757}}^1$

素因数の和:321775

約数の個数: 40

約数和(自身を含む): 583990770

約数和(自身を除く): 375492234

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 321757, 643514, 965271, 1287028, 1930542, 2574056, 2895813, 3861084, 5791626, 7722168, 8687439, 11583252, 17374878, 23166504, 26062317, 34749756, 52124634, 69499512, 104249268, 208498536]

約数ペア:

[(1, 208498536), (2, 104249268), (3, 69499512), (4, 52124634), (6, 34749756), (8, 26062317), (9, 23166504), (12, 17374878), (18, 11583252), (24, 8687439), (27, 7722168), (36, 5791626), (54, 3861084), (72, 2895813), (81, 2574056), (108, 1930542), (162, 1287028), (216, 965271), (324, 643514), (648, 321757)]