980995535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{2617}}^1$

素因数の和:2787

約数の個数: 32

約数和(自身を含む): 1301879040

約数和(自身を除く): 320883505

約数列:

[1, 5, 13, 65, 73, 79, 365, 395, 949, 1027, 2617, 4745, 5135, 5767, 13085, 28835, 34021, 74971, 170105, 191041, 206743, 374855, 955205, 1033715, 2483533, 2687659, 12417665, 13438295, 15092239, 75461195, 196199107, 980995535]

約数ペア:

[(1, 980995535), (5, 196199107), (13, 75461195), (65, 15092239), (73, 13438295), (79, 12417665), (365, 2687659), (395, 2483533), (949, 1033715), (1027, 955205), (2617, 374855), (4745, 206743), (5135, 191041), (5767, 170105), (13085, 74971), (28835, 34021)]