2664389

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 3655680

約数和(自身を除く): 991291

約数列:

[1, 7, 13, 19, 23, 67, 91, 133, 161, 247, 299, 437, 469, 871, 1273, 1541, 1729, 2093, 3059, 5681, 6097, 8911, 10787, 16549, 20033, 29279, 39767, 115843, 140231, 204953, 380627, 2664389]

約数ペア:

[(1, 2664389), (7, 380627), (13, 204953), (19, 140231), (23, 115843), (67, 39767), (91, 29279), (133, 20033), (161, 16549), (247, 10787), (299, 8911), (437, 6097), (469, 5681), (871, 3059), (1273, 2093), (1541, 1729)]