39778508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 89376000

約数和(自身を除く): 49597492

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 121, 154, 199, 236, 242, 308, 398, 413, 484, 649, 796, 826, 847, 1298, 1393, 1652, 1694, 2189, 2596, 2786, 3388, 4378, 4543, 5572, 7139, 8756, 9086, 11741, 14278, 15323, 18172, 23482, 24079, 28556, 30646, 46964, 48158, 49973, 61292, 82187, 96316, 99946, 129151, 164374, 168553, 199892, 258302, 328748, 337106, 516604, 674212, 904057, 1420661, 1808114, 2841322, 3616228, 5682644, 9944627, 19889254, 39778508]

約数ペア:

[(1, 39778508), (2, 19889254), (4, 9944627), (7, 5682644), (11, 3616228), (14, 2841322), (22, 1808114), (28, 1420661), (44, 904057), (59, 674212), (77, 516604), (118, 337106), (121, 328748), (154, 258302), (199, 199892), (236, 168553), (242, 164374), (308, 129151), (398, 99946), (413, 96316), (484, 82187), (649, 61292), (796, 49973), (826, 48158), (847, 46964), (1298, 30646), (1393, 28556), (1652, 24079), (1694, 23482), (2189, 18172), (2596, 15323), (2786, 14278), (3388, 11741), (4378, 9086), (4543, 8756), (5572, 7139)]