1620645887

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 1991983104

約数和(自身を除く): 371337217

約数列:

[1, 7, 17, 113, 119, 191, 631, 791, 1337, 1921, 3247, 4417, 10727, 13447, 21583, 22729, 71303, 75089, 120521, 151081, 366911, 499121, 843647, 1212151, 2048857, 2568377, 8485057, 13618873, 14341999, 95332111, 231520841, 1620645887]

約数ペア:

[(1, 1620645887), (7, 231520841), (17, 95332111), (113, 14341999), (119, 13618873), (191, 8485057), (631, 2568377), (791, 2048857), (1337, 1212151), (1921, 843647), (3247, 499121), (4417, 366911), (10727, 151081), (13447, 120521), (21583, 75089), (22729, 71303)]