378252721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 482706432

約数和(自身を除く): 104453711

約数列:

[1, 7, 11, 67, 77, 157, 467, 469, 737, 1099, 1727, 3269, 5137, 5159, 10519, 12089, 31289, 35959, 73319, 73633, 115709, 219023, 344179, 513233, 806509, 809963, 2409253, 4912373, 5645563, 34386611, 54036103, 378252721]

約数ペア:

[(1, 378252721), (7, 54036103), (11, 34386611), (67, 5645563), (77, 4912373), (157, 2409253), (467, 809963), (469, 806509), (737, 513233), (1099, 344179), (1727, 219023), (3269, 115709), (5137, 73633), (5159, 73319), (10519, 35959), (12089, 31289)]