31680467

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 41771520

約数和(自身を除く): 10091053

約数列:

[1, 7, 13, 19, 73, 91, 133, 247, 251, 511, 949, 1387, 1729, 1757, 3263, 4769, 6643, 9709, 18031, 18323, 22841, 33383, 61997, 126217, 128261, 238199, 348137, 433979, 1667393, 2436959, 4525781, 31680467]

約数ペア:

[(1, 31680467), (7, 4525781), (13, 2436959), (19, 1667393), (73, 433979), (91, 348137), (133, 238199), (247, 128261), (251, 126217), (511, 61997), (949, 33383), (1387, 22841), (1729, 18323), (1757, 18031), (3263, 9709), (4769, 6643)]