778008504

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18749}}^1$

素因数の和:18797

約数の個数: 128

約数和(自身を含む): 2520000000

約数和(自身を除く): 1741991496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 182, 228, 247, 266, 273, 312, 364, 399, 456, 494, 532, 546, 728, 741, 798, 988, 1064, 1092, 1482, 1596, 1729, 1976, 2184, 2964, 3192, 3458, 5187, 5928, 6916, 10374, 13832, 18749, 20748, 37498, 41496, 56247, 74996, 112494, 131243, 149992, 224988, 243737, 262486, 356231, 393729, 449976, 487474, 524972, 712462, 731211, 787458, 974948, 1049944, 1068693, 1424924, 1462422, 1574916, 1706159, 1949896, 2137386, 2493617, 2849848, 2924844, 3149832, 3412318, 4274772, 4631003, 4987234, 5118477, 5849688, 6824636, 7480851, 8549544, 9262006, 9974468, 10236954, 13649272, 13893009, 14961702, 18524012, 19948936, 20473908, 27786018, 29923404, 32417021, 37048024, 40947816, 55572036, 59846808, 64834042, 97251063, 111144072, 129668084, 194502126, 259336168, 389004252, 778008504]

約数ペア:

[(1, 778008504), (2, 389004252), (3, 259336168), (4, 194502126), (6, 129668084), (7, 111144072), (8, 97251063), (12, 64834042), (13, 59846808), (14, 55572036), (19, 40947816), (21, 37048024), (24, 32417021), (26, 29923404), (28, 27786018), (38, 20473908), (39, 19948936), (42, 18524012), (52, 14961702), (56, 13893009), (57, 13649272), (76, 10236954), (78, 9974468), (84, 9262006), (91, 8549544), (104, 7480851), (114, 6824636), (133, 5849688), (152, 5118477), (156, 4987234), (168, 4631003), (182, 4274772), (228, 3412318), (247, 3149832), (266, 2924844), (273, 2849848), (312, 2493617), (364, 2137386), (399, 1949896), (456, 1706159), (494, 1574916), (532, 1462422), (546, 1424924), (728, 1068693), (741, 1049944), (798, 974948), (988, 787458), (1064, 731211), (1092, 712462), (1482, 524972), (1596, 487474), (1729, 449976), (1976, 393729), (2184, 356231), (2964, 262486), (3192, 243737), (3458, 224988), (5187, 149992), (5928, 131243), (6916, 112494), (10374, 74996), (13832, 56247), (18749, 41496), (20748, 37498)]