1221036245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{21617}}^1$

素因数の和:21725

約数の個数: 32

約数和(自身を含む): 1743275520

約数和(自身を除く): 522239275

約数列:

[1, 5, 11, 13, 55, 65, 79, 143, 395, 715, 869, 1027, 4345, 5135, 11297, 21617, 56485, 108085, 237787, 281021, 1188935, 1405105, 1707743, 3091231, 8538715, 15456155, 18785173, 22200659, 93925865, 111003295, 244207249, 1221036245]

約数ペア:

[(1, 1221036245), (5, 244207249), (11, 111003295), (13, 93925865), (55, 22200659), (65, 18785173), (79, 15456155), (143, 8538715), (395, 3091231), (715, 1707743), (869, 1405105), (1027, 1188935), (4345, 281021), (5135, 237787), (11297, 108085), (21617, 56485)]