78928535

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 115758720

約数和(自身を除く): 36830185

約数列:

[1, 5, 7, 17, 35, 85, 109, 119, 545, 595, 763, 1217, 1853, 3815, 6085, 8519, 9265, 12971, 20689, 42595, 64855, 103445, 132653, 144823, 663265, 724115, 928571, 2255101, 4642855, 11275505, 15785707, 78928535]

約数ペア:

[(1, 78928535), (5, 15785707), (7, 11275505), (17, 4642855), (35, 2255101), (85, 928571), (109, 724115), (119, 663265), (545, 144823), (595, 132653), (763, 103445), (1217, 64855), (1853, 42595), (3815, 20689), (6085, 12971), (8519, 9265)]