221747456

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 556295040

約数和(自身を除く): 334547584

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 32, 34, 56, 58, 64, 68, 112, 116, 119, 128, 136, 203, 224, 232, 238, 251, 256, 272, 406, 448, 464, 476, 493, 502, 544, 812, 896, 928, 952, 986, 1004, 1088, 1624, 1757, 1792, 1856, 1904, 1972, 2008, 2176, 3248, 3451, 3514, 3712, 3808, 3944, 4016, 4267, 4352, 6496, 6902, 7028, 7279, 7424, 7616, 7888, 8032, 8534, 12992, 13804, 14056, 14558, 15232, 15776, 16064, 17068, 25984, 27608, 28112, 29116, 29869, 30464, 31552, 32128, 34136, 50953, 51968, 55216, 56224, 58232, 59738, 63104, 64256, 68272, 101906, 110432, 112448, 116464, 119476, 123743, 126208, 136544, 203812, 220864, 224896, 232928, 238952, 247486, 273088, 407624, 441728, 449792, 465856, 477904, 494972, 546176, 815248, 866201, 883456, 931712, 955808, 989944, 1092352, 1630496, 1732402, 1863424, 1911616, 1979888, 3260992, 3464804, 3823232, 3959776, 6521984, 6929608, 7646464, 7919552, 13043968, 13859216, 15839104, 27718432, 31678208, 55436864, 110873728, 221747456]

約数ペア:

[(1, 221747456), (2, 110873728), (4, 55436864), (7, 31678208), (8, 27718432), (14, 15839104), (16, 13859216), (17, 13043968), (28, 7919552), (29, 7646464), (32, 6929608), (34, 6521984), (56, 3959776), (58, 3823232), (64, 3464804), (68, 3260992), (112, 1979888), (116, 1911616), (119, 1863424), (128, 1732402), (136, 1630496), (203, 1092352), (224, 989944), (232, 955808), (238, 931712), (251, 883456), (256, 866201), (272, 815248), (406, 546176), (448, 494972), (464, 477904), (476, 465856), (493, 449792), (502, 441728), (544, 407624), (812, 273088), (896, 247486), (928, 238952), (952, 232928), (986, 224896), (1004, 220864), (1088, 203812), (1624, 136544), (1757, 126208), (1792, 123743), (1856, 119476), (1904, 116464), (1972, 112448), (2008, 110432), (2176, 101906), (3248, 68272), (3451, 64256), (3514, 63104), (3712, 59738), (3808, 58232), (3944, 56224), (4016, 55216), (4267, 51968), (4352, 50953), (6496, 34136), (6902, 32128), (7028, 31552), (7279, 30464), (7424, 29869), (7616, 29116), (7888, 28112), (8032, 27608), (8534, 25984), (12992, 17068), (13804, 16064), (14056, 15776), (14558, 15232)]