438589775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 604648800

約数和(自身を除く): 166059025

約数列:

[1, 5, 13, 25, 59, 65, 89, 257, 295, 325, 445, 767, 1157, 1285, 1475, 2225, 3341, 3835, 5251, 5785, 6425, 15163, 16705, 19175, 22873, 26255, 28925, 68263, 75815, 83525, 114365, 131275, 197119, 297349, 341315, 379075, 571825, 985595, 1349507, 1486745, 1706575, 4927975, 6747535, 7433725, 17543591, 33737675, 87717955, 438589775]

約数ペア:

[(1, 438589775), (5, 87717955), (13, 33737675), (25, 17543591), (59, 7433725), (65, 6747535), (89, 4927975), (257, 1706575), (295, 1486745), (325, 1349507), (445, 985595), (767, 571825), (1157, 379075), (1285, 341315), (1475, 297349), (2225, 197119), (3341, 131275), (3835, 114365), (5251, 83525), (5785, 75815), (6425, 68263), (15163, 28925), (16705, 26255), (19175, 22873)]