256348532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1283}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 517708800

約数和(自身を除く): 261360268

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 239, 418, 478, 836, 956, 1283, 2566, 2629, 4541, 5132, 5258, 9082, 10516, 14113, 18164, 24377, 28226, 48754, 49951, 56452, 97508, 99902, 199804, 268147, 306637, 536294, 613274, 1072588, 1226548, 3373007, 5826103, 6746014, 11652206, 13492028, 23304412, 64087133, 128174266, 256348532]

約数ペア:

[(1, 256348532), (2, 128174266), (4, 64087133), (11, 23304412), (19, 13492028), (22, 11652206), (38, 6746014), (44, 5826103), (76, 3373007), (209, 1226548), (239, 1072588), (418, 613274), (478, 536294), (836, 306637), (956, 268147), (1283, 199804), (2566, 99902), (2629, 97508), (4541, 56452), (5132, 49951), (5258, 48754), (9082, 28226), (10516, 24377), (14113, 18164)]