1311797221

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{147211}}^1$

素因数の和:147304

約数の個数: 16

約数和(自身を含む): 1601666560

約数和(自身を除く): 289869339

約数列:

[1, 7, 19, 67, 133, 469, 1273, 8911, 147211, 1030477, 2797009, 9863137, 19579063, 69041959, 187399603, 1311797221]

約数ペア:

[(1, 1311797221), (7, 187399603), (19, 69041959), (67, 19579063), (133, 9863137), (469, 2797009), (1273, 1030477), (8911, 147211)]