81696538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1663}}^1$

素因数の和:1723

約数の個数: 48

約数和(自身を含む): 159344640

約数和(自身を除く): 77648102

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 121, 154, 203, 242, 319, 406, 638, 847, 1663, 1694, 2233, 3326, 3509, 4466, 7018, 11641, 18293, 23282, 24563, 36586, 48227, 49126, 96454, 128051, 201223, 256102, 337589, 402446, 530497, 675178, 1060994, 1408561, 2817122, 3713479, 5835467, 7426958, 11670934, 40848269, 81696538]

約数ペア:

[(1, 81696538), (2, 40848269), (7, 11670934), (11, 7426958), (14, 5835467), (22, 3713479), (29, 2817122), (58, 1408561), (77, 1060994), (121, 675178), (154, 530497), (203, 402446), (242, 337589), (319, 256102), (406, 201223), (638, 128051), (847, 96454), (1663, 49126), (1694, 48227), (2233, 36586), (3326, 24563), (3509, 23282), (4466, 18293), (7018, 11641)]