169640939

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 197987328

約数和(自身を除く): 28346389

約数列:

[1, 13, 23, 61, 71, 131, 299, 793, 923, 1403, 1633, 1703, 3013, 4331, 7991, 9301, 18239, 21229, 39169, 56303, 99613, 103883, 120913, 183793, 213923, 567361, 1294969, 2389309, 2780999, 7375693, 13049303, 169640939]

約数ペア:

[(1, 169640939), (13, 13049303), (23, 7375693), (61, 2780999), (71, 2389309), (131, 1294969), (299, 567361), (793, 213923), (923, 183793), (1403, 120913), (1633, 103883), (1703, 99613), (3013, 56303), (4331, 39169), (7991, 21229), (9301, 18239)]