778889272

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 1847577600

約数和(自身を除く): 1068688328

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 53, 56, 68, 86, 106, 119, 136, 172, 212, 238, 301, 344, 359, 371, 424, 476, 602, 718, 731, 742, 901, 952, 1204, 1436, 1462, 1484, 1802, 2279, 2408, 2513, 2872, 2924, 2968, 3604, 4558, 5026, 5117, 5848, 6103, 6307, 7208, 9116, 10052, 10234, 12206, 12614, 15437, 15953, 18232, 19027, 20104, 20468, 24412, 25228, 30874, 31906, 38054, 38743, 40936, 42721, 48824, 50456, 61748, 63812, 76108, 77486, 85442, 108059, 123496, 127624, 133189, 152216, 154972, 170884, 216118, 262429, 266378, 271201, 309944, 323459, 341768, 432236, 524858, 532756, 542402, 646918, 818161, 864472, 1049716, 1065512, 1084804, 1293836, 1636322, 1837003, 2099432, 2169608, 2264213, 2587672, 3272644, 3674006, 4528426, 5727127, 6545288, 7348012, 9056852, 11454254, 13908737, 14696024, 18113704, 22908508, 27817474, 45817016, 55634948, 97361159, 111269896, 194722318, 389444636, 778889272]

約数ペア:

[(1, 778889272), (2, 389444636), (4, 194722318), (7, 111269896), (8, 97361159), (14, 55634948), (17, 45817016), (28, 27817474), (34, 22908508), (43, 18113704), (53, 14696024), (56, 13908737), (68, 11454254), (86, 9056852), (106, 7348012), (119, 6545288), (136, 5727127), (172, 4528426), (212, 3674006), (238, 3272644), (301, 2587672), (344, 2264213), (359, 2169608), (371, 2099432), (424, 1837003), (476, 1636322), (602, 1293836), (718, 1084804), (731, 1065512), (742, 1049716), (901, 864472), (952, 818161), (1204, 646918), (1436, 542402), (1462, 532756), (1484, 524858), (1802, 432236), (2279, 341768), (2408, 323459), (2513, 309944), (2872, 271201), (2924, 266378), (2968, 262429), (3604, 216118), (4558, 170884), (5026, 154972), (5117, 152216), (5848, 133189), (6103, 127624), (6307, 123496), (7208, 108059), (9116, 85442), (10052, 77486), (10234, 76108), (12206, 63812), (12614, 61748), (15437, 50456), (15953, 48824), (18232, 42721), (19027, 40936), (20104, 38743), (20468, 38054), (24412, 31906), (25228, 30874)]