243982375

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 380540160

約数和(自身を除く): 136557785

約数列:

[1, 5, 7, 13, 25, 35, 65, 89, 91, 125, 175, 241, 325, 445, 455, 623, 875, 1157, 1205, 1625, 1687, 2225, 2275, 3115, 3133, 5785, 6025, 8099, 8435, 11125, 11375, 15575, 15665, 21449, 21931, 28925, 30125, 40495, 42175, 77875, 78325, 107245, 109655, 144625, 150143, 202475, 210875, 278837, 391625, 536225, 548275, 750715, 1012375, 1394185, 1951859, 2681125, 2741375, 3753575, 6970925, 9759295, 18767875, 34854625, 48796475, 243982375]

約数ペア:

[(1, 243982375), (5, 48796475), (7, 34854625), (13, 18767875), (25, 9759295), (35, 6970925), (65, 3753575), (89, 2741375), (91, 2681125), (125, 1951859), (175, 1394185), (241, 1012375), (325, 750715), (445, 548275), (455, 536225), (623, 391625), (875, 278837), (1157, 210875), (1205, 202475), (1625, 150143), (1687, 144625), (2225, 109655), (2275, 107245), (3115, 78325), (3133, 77875), (5785, 42175), (6025, 40495), (8099, 30125), (8435, 28925), (11125, 21931), (11375, 21449), (15575, 15665)]