40143838

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 73198944

約数和(自身を除く): 33055106

約数列:

[1, 2, 7, 14, 41, 49, 82, 97, 98, 103, 194, 206, 287, 574, 679, 721, 1358, 1442, 2009, 3977, 4018, 4223, 4753, 5047, 7954, 8446, 9506, 9991, 10094, 19982, 27839, 29561, 55678, 59122, 69937, 139874, 194873, 206927, 389746, 409631, 413854, 489559, 819262, 979118, 2867417, 5734834, 20071919, 40143838]

約数ペア:

[(1, 40143838), (2, 20071919), (7, 5734834), (14, 2867417), (41, 979118), (49, 819262), (82, 489559), (97, 413854), (98, 409631), (103, 389746), (194, 206927), (206, 194873), (287, 139874), (574, 69937), (679, 59122), (721, 55678), (1358, 29561), (1442, 27839), (2009, 19982), (3977, 10094), (4018, 9991), (4223, 9506), (4753, 8446), (5047, 7954)]