393742895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{1171}}^1$

素因数の和:1935

約数の個数: 32

約数和(自身を含む): 582812160

約数和(自身を除く): 189069265

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 739, 1171, 3695, 5173, 5855, 8197, 9607, 15223, 25865, 40985, 48035, 67249, 76115, 106561, 336245, 532805, 865369, 4326845, 6057583, 11249797, 30287915, 56248985, 78748579, 393742895]

約数ペア:

[(1, 393742895), (5, 78748579), (7, 56248985), (13, 30287915), (35, 11249797), (65, 6057583), (91, 4326845), (455, 865369), (739, 532805), (1171, 336245), (3695, 106561), (5173, 76115), (5855, 67249), (8197, 48035), (9607, 40985), (15223, 25865)]