287285908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 645652224

約数和(自身を除く): 358366316

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 83, 91, 148, 166, 182, 257, 259, 332, 364, 481, 514, 518, 581, 962, 1028, 1036, 1079, 1162, 1799, 1924, 2158, 2324, 3071, 3341, 3367, 3598, 4316, 6142, 6682, 6734, 7196, 7553, 9509, 12284, 13364, 13468, 15106, 19018, 21331, 21497, 23387, 30212, 38036, 39923, 42662, 42994, 46774, 66563, 79846, 85324, 85988, 93548, 123617, 133126, 149317, 159692, 247234, 266252, 277303, 279461, 298634, 494468, 554606, 558922, 597268, 789247, 865319, 1109212, 1117844, 1578494, 1730638, 1941121, 3156988, 3461276, 3882242, 5524729, 7764484, 10260211, 11049458, 20520422, 22098916, 41040844, 71821477, 143642954, 287285908]

約数ペア:

[(1, 287285908), (2, 143642954), (4, 71821477), (7, 41040844), (13, 22098916), (14, 20520422), (26, 11049458), (28, 10260211), (37, 7764484), (52, 5524729), (74, 3882242), (83, 3461276), (91, 3156988), (148, 1941121), (166, 1730638), (182, 1578494), (257, 1117844), (259, 1109212), (332, 865319), (364, 789247), (481, 597268), (514, 558922), (518, 554606), (581, 494468), (962, 298634), (1028, 279461), (1036, 277303), (1079, 266252), (1162, 247234), (1799, 159692), (1924, 149317), (2158, 133126), (2324, 123617), (3071, 93548), (3341, 85988), (3367, 85324), (3598, 79846), (4316, 66563), (6142, 46774), (6682, 42994), (6734, 42662), (7196, 39923), (7553, 38036), (9509, 30212), (12284, 23387), (13364, 21497), (13468, 21331), (15106, 19018)]