254251088

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 645292032

約数和(自身を除く): 391040944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 43, 52, 56, 62, 86, 91, 104, 112, 124, 131, 172, 182, 208, 217, 248, 262, 301, 344, 364, 403, 434, 496, 524, 559, 602, 688, 728, 806, 868, 917, 1048, 1118, 1204, 1333, 1456, 1612, 1703, 1736, 1834, 2096, 2236, 2408, 2666, 2821, 3224, 3406, 3472, 3668, 3913, 4061, 4472, 4816, 5332, 5633, 5642, 6448, 6812, 7336, 7826, 8122, 8944, 9331, 10664, 11266, 11284, 11921, 13624, 14672, 15652, 16244, 17329, 18662, 21328, 22532, 22568, 23842, 27248, 28427, 31304, 32488, 34658, 37324, 39431, 45064, 45136, 47684, 52793, 56854, 62608, 64976, 69316, 73229, 74648, 78862, 90128, 95368, 105586, 113708, 121303, 138632, 146458, 149296, 157724, 174623, 190736, 211172, 227416, 242606, 277264, 292916, 315448, 349246, 369551, 422344, 454832, 485212, 512603, 585832, 630896, 698492, 739102, 844688, 970424, 1025206, 1171664, 1222361, 1396984, 1478204, 1940848, 2050412, 2270099, 2444722, 2793968, 2956408, 4100824, 4540198, 4889444, 5912816, 8201648, 9080396, 9778888, 15890693, 18160792, 19557776, 31781386, 36321584, 63562772, 127125544, 254251088]

約数ペア:

[(1, 254251088), (2, 127125544), (4, 63562772), (7, 36321584), (8, 31781386), (13, 19557776), (14, 18160792), (16, 15890693), (26, 9778888), (28, 9080396), (31, 8201648), (43, 5912816), (52, 4889444), (56, 4540198), (62, 4100824), (86, 2956408), (91, 2793968), (104, 2444722), (112, 2270099), (124, 2050412), (131, 1940848), (172, 1478204), (182, 1396984), (208, 1222361), (217, 1171664), (248, 1025206), (262, 970424), (301, 844688), (344, 739102), (364, 698492), (403, 630896), (434, 585832), (496, 512603), (524, 485212), (559, 454832), (602, 422344), (688, 369551), (728, 349246), (806, 315448), (868, 292916), (917, 277264), (1048, 242606), (1118, 227416), (1204, 211172), (1333, 190736), (1456, 174623), (1612, 157724), (1703, 149296), (1736, 146458), (1834, 138632), (2096, 121303), (2236, 113708), (2408, 105586), (2666, 95368), (2821, 90128), (3224, 78862), (3406, 74648), (3472, 73229), (3668, 69316), (3913, 64976), (4061, 62608), (4472, 56854), (4816, 52793), (5332, 47684), (5633, 45136), (5642, 45064), (6448, 39431), (6812, 37324), (7336, 34658), (7826, 32488), (8122, 31304), (8944, 28427), (9331, 27248), (10664, 23842), (11266, 22568), (11284, 22532), (11921, 21328), (13624, 18662), (14672, 17329), (15652, 16244)]