90336421

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 111513600

約数和(自身を除く): 21177179

約数列:

[1, 7, 29, 43, 79, 131, 203, 301, 553, 917, 1247, 2291, 3397, 3799, 5633, 8729, 10349, 16037, 23779, 26593, 39431, 72443, 98513, 163357, 300121, 445007, 689591, 1143499, 2100847, 3115049, 12905203, 90336421]

約数ペア:

[(1, 90336421), (7, 12905203), (29, 3115049), (43, 2100847), (79, 1143499), (131, 689591), (203, 445007), (301, 300121), (553, 163357), (917, 98513), (1247, 72443), (2291, 39431), (3397, 26593), (3799, 23779), (5633, 16037), (8729, 10349)]