209958528

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:474

約数の個数: 128

約数和(自身を含む): 606957120

約数和(自身を除く): 396998592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 137, 156, 192, 208, 274, 307, 312, 384, 411, 416, 548, 614, 624, 822, 832, 921, 1096, 1228, 1248, 1644, 1664, 1781, 1842, 2192, 2456, 2496, 3288, 3562, 3684, 3991, 4384, 4912, 4992, 5343, 6576, 7124, 7368, 7982, 8768, 9824, 10686, 11973, 13152, 14248, 14736, 15964, 17536, 19648, 21372, 23946, 26304, 28496, 29472, 31928, 39296, 42059, 42744, 47892, 52608, 56992, 58944, 63856, 84118, 85488, 95784, 113984, 117888, 126177, 127712, 168236, 170976, 191568, 227968, 252354, 255424, 336472, 341952, 383136, 504708, 510848, 546767, 672944, 683904, 766272, 1009416, 1093534, 1345888, 1532544, 1640301, 2018832, 2187068, 2691776, 3280602, 4037664, 4374136, 5383552, 6561204, 8075328, 8748272, 13122408, 16150656, 17496544, 26244816, 34993088, 52489632, 69986176, 104979264, 209958528]

約数ペア:

[(1, 209958528), (2, 104979264), (3, 69986176), (4, 52489632), (6, 34993088), (8, 26244816), (12, 17496544), (13, 16150656), (16, 13122408), (24, 8748272), (26, 8075328), (32, 6561204), (39, 5383552), (48, 4374136), (52, 4037664), (64, 3280602), (78, 2691776), (96, 2187068), (104, 2018832), (128, 1640301), (137, 1532544), (156, 1345888), (192, 1093534), (208, 1009416), (274, 766272), (307, 683904), (312, 672944), (384, 546767), (411, 510848), (416, 504708), (548, 383136), (614, 341952), (624, 336472), (822, 255424), (832, 252354), (921, 227968), (1096, 191568), (1228, 170976), (1248, 168236), (1644, 127712), (1664, 126177), (1781, 117888), (1842, 113984), (2192, 95784), (2456, 85488), (2496, 84118), (3288, 63856), (3562, 58944), (3684, 56992), (3991, 52608), (4384, 47892), (4912, 42744), (4992, 42059), (5343, 39296), (6576, 31928), (7124, 29472), (7368, 28496), (7982, 26304), (8768, 23946), (9824, 21372), (10686, 19648), (11973, 17536), (13152, 15964), (14248, 14736)]