209439265

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{1723}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 301879296

約数和(自身を除く): 92440031

約数列:

[1, 5, 7, 23, 35, 115, 151, 161, 755, 805, 1057, 1723, 3473, 5285, 8615, 12061, 17365, 24311, 39629, 60305, 121555, 198145, 260173, 277403, 1300865, 1387015, 1821211, 5983979, 9106055, 29919895, 41887853, 209439265]

約数ペア:

[(1, 209439265), (5, 41887853), (7, 29919895), (23, 9106055), (35, 5983979), (115, 1821211), (151, 1387015), (161, 1300865), (755, 277403), (805, 260173), (1057, 198145), (1723, 121555), (3473, 60305), (5285, 39629), (8615, 24311), (12061, 17365)]