266397948

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^2\times {\mathrm{383}}^1$

素因数の和:671

約数の個数: 54

約数和(自身を含む): 680045184

約数和(自身を除く): 413647236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 383, 417, 556, 766, 834, 1149, 1251, 1532, 1668, 2298, 2502, 3447, 4596, 5004, 6894, 13788, 19321, 38642, 53237, 57963, 77284, 106474, 115926, 159711, 173889, 212948, 231852, 319422, 347778, 479133, 638844, 695556, 958266, 1916532, 7399943, 14799886, 22199829, 29599772, 44399658, 66599487, 88799316, 133198974, 266397948]

約数ペア:

[(1, 266397948), (2, 133198974), (3, 88799316), (4, 66599487), (6, 44399658), (9, 29599772), (12, 22199829), (18, 14799886), (36, 7399943), (139, 1916532), (278, 958266), (383, 695556), (417, 638844), (556, 479133), (766, 347778), (834, 319422), (1149, 231852), (1251, 212948), (1532, 173889), (1668, 159711), (2298, 115926), (2502, 106474), (3447, 77284), (4596, 57963), (5004, 53237), (6894, 38642), (13788, 19321)]