81610158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{9209}}^1$

素因数の和:9432

約数の個数: 32

約数和(自身を含む): 187441920

約数和(自身を除く): 105831762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 211, 422, 633, 1266, 1477, 2954, 4431, 8862, 9209, 18418, 27627, 55254, 64463, 128926, 193389, 386778, 1943099, 3886198, 5829297, 11658594, 13601693, 27203386, 40805079, 81610158]

約数ペア:

[(1, 81610158), (2, 40805079), (3, 27203386), (6, 13601693), (7, 11658594), (14, 5829297), (21, 3886198), (42, 1943099), (211, 386778), (422, 193389), (633, 128926), (1266, 64463), (1477, 55254), (2954, 27627), (4431, 18418), (8862, 9209)]