16191287

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 20889600

約数和(自身を除く): 4698313

約数列:

[1, 7, 19, 23, 67, 79, 133, 161, 437, 469, 553, 1273, 1501, 1541, 1817, 3059, 5293, 8911, 10507, 10787, 12719, 29279, 34523, 37051, 100567, 121739, 204953, 241661, 703969, 852173, 2313041, 16191287]

約数ペア:

[(1, 16191287), (7, 2313041), (19, 852173), (23, 703969), (67, 241661), (79, 204953), (133, 121739), (161, 100567), (437, 37051), (469, 34523), (553, 29279), (1273, 12719), (1501, 10787), (1541, 10507), (1817, 8911), (3059, 5293)]