398676865

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{593}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 508083840

約数和(自身を除く): 109406975

約数列:

[1, 5, 43, 53, 59, 215, 265, 295, 593, 2279, 2537, 2965, 3127, 11395, 12685, 15635, 25499, 31429, 34987, 127495, 134461, 157145, 174935, 672305, 1351447, 1504441, 1854311, 6757235, 7522205, 9271555, 79735373, 398676865]

約数ペア:

[(1, 398676865), (5, 79735373), (43, 9271555), (53, 7522205), (59, 6757235), (215, 1854311), (265, 1504441), (295, 1351447), (593, 672305), (2279, 174935), (2537, 157145), (2965, 134461), (3127, 127495), (11395, 34987), (12685, 31429), (15635, 25499)]