15679990123

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{6997}}^1$

素因数の和:7507

約数の個数: 32

約数和(自身を含む): 19348070400

約数和(自身を除く): 3668080277

約数列:

[1, 7, 23, 31, 161, 217, 449, 713, 3143, 4991, 6997, 10327, 13919, 48979, 72289, 97433, 160931, 216907, 320137, 1126517, 1518349, 2240959, 3141653, 4988861, 21991571, 34922027, 72258019, 97391243, 505806133, 681738701, 2239998589, 15679990123]

約数ペア:

[(1, 15679990123), (7, 2239998589), (23, 681738701), (31, 505806133), (161, 97391243), (217, 72258019), (449, 34922027), (713, 21991571), (3143, 4988861), (4991, 3141653), (6997, 2240959), (10327, 1518349), (13919, 1126517), (48979, 320137), (72289, 216907), (97433, 160931)]