220897439

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:888

約数の個数: 36

約数和(自身を含む): 287683560

約数和(自身を除く): 66786121

約数列:

[1, 7, 17, 19, 49, 119, 133, 289, 323, 821, 833, 931, 2023, 2261, 5491, 5747, 13957, 14161, 15599, 15827, 38437, 40229, 97699, 109193, 237269, 265183, 269059, 683893, 764351, 1660883, 1856281, 4508111, 11626181, 12993967, 31556777, 220897439]

約数ペア:

[(1, 220897439), (7, 31556777), (17, 12993967), (19, 11626181), (49, 4508111), (119, 1856281), (133, 1660883), (289, 764351), (323, 683893), (821, 269059), (833, 265183), (931, 237269), (2023, 109193), (2261, 97699), (5491, 40229), (5747, 38437), (13957, 15827), (14161, 15599)]