81343236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{997}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 204997184

約数和(自身を除く): 123653948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 523, 997, 1046, 1569, 1994, 2092, 2991, 3138, 3988, 5982, 6276, 6799, 11964, 12961, 13598, 20397, 25922, 27196, 38883, 40794, 51844, 77766, 81588, 155532, 521431, 1042862, 1564293, 2085724, 3128586, 6257172, 6778603, 13557206, 20335809, 27114412, 40671618, 81343236]

約数ペア:

[(1, 81343236), (2, 40671618), (3, 27114412), (4, 20335809), (6, 13557206), (12, 6778603), (13, 6257172), (26, 3128586), (39, 2085724), (52, 1564293), (78, 1042862), (156, 521431), (523, 155532), (997, 81588), (1046, 77766), (1569, 51844), (1994, 40794), (2092, 38883), (2991, 27196), (3138, 25922), (3988, 20397), (5982, 13598), (6276, 12961), (6799, 11964)]