218975504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 494164800

約数和(自身を除く): 275189296

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 163, 176, 187, 272, 326, 374, 449, 652, 748, 898, 1304, 1496, 1793, 1796, 2608, 2771, 2992, 3586, 3592, 4939, 5542, 7172, 7184, 7633, 9878, 11084, 14344, 15266, 19756, 22168, 28688, 30481, 30532, 39512, 44336, 60962, 61064, 73187, 79024, 83963, 121924, 122128, 146374, 167926, 243848, 292748, 335852, 487696, 585496, 671704, 805057, 1170992, 1244179, 1343408, 1610114, 2488358, 3220228, 4976716, 6440456, 9953432, 12880912, 13685969, 19906864, 27371938, 54743876, 109487752, 218975504]

約数ペア:

[(1, 218975504), (2, 109487752), (4, 54743876), (8, 27371938), (11, 19906864), (16, 13685969), (17, 12880912), (22, 9953432), (34, 6440456), (44, 4976716), (68, 3220228), (88, 2488358), (136, 1610114), (163, 1343408), (176, 1244179), (187, 1170992), (272, 805057), (326, 671704), (374, 585496), (449, 487696), (652, 335852), (748, 292748), (898, 243848), (1304, 167926), (1496, 146374), (1793, 122128), (1796, 121924), (2608, 83963), (2771, 79024), (2992, 73187), (3586, 61064), (3592, 60962), (4939, 44336), (5542, 39512), (7172, 30532), (7184, 30481), (7633, 28688), (9878, 22168), (11084, 19756), (14344, 15266)]