69391021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 87552000

約数和(自身を除く): 18160979

約数列:

[1, 7, 19, 37, 59, 133, 239, 259, 413, 703, 1121, 1673, 2183, 4541, 4921, 7847, 8843, 14101, 15281, 31787, 41477, 61901, 98707, 168017, 267919, 290339, 521737, 1176119, 1875433, 3652159, 9913003, 69391021]

約数ペア:

[(1, 69391021), (7, 9913003), (19, 3652159), (37, 1875433), (59, 1176119), (133, 521737), (239, 290339), (259, 267919), (413, 168017), (703, 98707), (1121, 61901), (1673, 41477), (2183, 31787), (4541, 15281), (4921, 14101), (7847, 8843)]