221989768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1515

約数の個数: 128

約数和(自身を含む): 588672000

約数和(自身を除く): 366682232

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 56, 76, 77, 88, 91, 104, 133, 143, 152, 154, 182, 209, 247, 266, 286, 308, 364, 418, 494, 532, 572, 616, 728, 836, 988, 1001, 1064, 1144, 1459, 1463, 1672, 1729, 1976, 2002, 2717, 2918, 2926, 3458, 4004, 5434, 5836, 5852, 6916, 8008, 10213, 10868, 11672, 11704, 13832, 16049, 18967, 19019, 20426, 21736, 27721, 32098, 37934, 38038, 40852, 55442, 64196, 75868, 76076, 81704, 110884, 112343, 128392, 132769, 151736, 152152, 194047, 208637, 221768, 224686, 265538, 304931, 360373, 388094, 417274, 449372, 531076, 609862, 720746, 776188, 834548, 898744, 1062152, 1219724, 1441492, 1460459, 1552376, 1669096, 2134517, 2439448, 2522611, 2882984, 2920918, 3964103, 4269034, 5045222, 5841836, 7928206, 8538068, 10090444, 11683672, 15856412, 17076136, 20180888, 27748721, 31712824, 55497442, 110994884, 221989768]

約数ペア:

[(1, 221989768), (2, 110994884), (4, 55497442), (7, 31712824), (8, 27748721), (11, 20180888), (13, 17076136), (14, 15856412), (19, 11683672), (22, 10090444), (26, 8538068), (28, 7928206), (38, 5841836), (44, 5045222), (52, 4269034), (56, 3964103), (76, 2920918), (77, 2882984), (88, 2522611), (91, 2439448), (104, 2134517), (133, 1669096), (143, 1552376), (152, 1460459), (154, 1441492), (182, 1219724), (209, 1062152), (247, 898744), (266, 834548), (286, 776188), (308, 720746), (364, 609862), (418, 531076), (494, 449372), (532, 417274), (572, 388094), (616, 360373), (728, 304931), (836, 265538), (988, 224686), (1001, 221768), (1064, 208637), (1144, 194047), (1459, 152152), (1463, 151736), (1672, 132769), (1729, 128392), (1976, 112343), (2002, 110884), (2717, 81704), (2918, 76076), (2926, 75868), (3458, 64196), (4004, 55442), (5434, 40852), (5836, 38038), (5852, 37934), (6916, 32098), (8008, 27721), (10213, 21736), (10868, 20426), (11672, 19019), (11704, 18967), (13832, 16049)]