161807438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 286820352

約数和(自身を除く): 125012914

約数列:

[1, 2, 13, 23, 26, 37, 46, 71, 74, 103, 142, 206, 299, 481, 598, 851, 923, 962, 1339, 1633, 1702, 1846, 2369, 2627, 2678, 3266, 3811, 4738, 5254, 7313, 7622, 11063, 14626, 21229, 22126, 30797, 34151, 42458, 49543, 60421, 61594, 68302, 87653, 95069, 99086, 120842, 168199, 175306, 190138, 270581, 336398, 541162, 785473, 1139489, 1570946, 2186587, 2278978, 3517553, 4373174, 6223363, 7035106, 12446726, 80903719, 161807438]

約数ペア:

[(1, 161807438), (2, 80903719), (13, 12446726), (23, 7035106), (26, 6223363), (37, 4373174), (46, 3517553), (71, 2278978), (74, 2186587), (103, 1570946), (142, 1139489), (206, 785473), (299, 541162), (481, 336398), (598, 270581), (851, 190138), (923, 175306), (962, 168199), (1339, 120842), (1633, 99086), (1702, 95069), (1846, 87653), (2369, 68302), (2627, 61594), (2678, 60421), (3266, 49543), (3811, 42458), (4738, 34151), (5254, 30797), (7313, 22126), (7622, 21229), (11063, 14626)]