261775904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 585252864

約数和(自身を除く): 323476960

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 53, 62, 104, 106, 124, 208, 212, 248, 383, 403, 416, 424, 496, 689, 766, 806, 848, 992, 1378, 1532, 1612, 1643, 1696, 2756, 3064, 3224, 3286, 4979, 5512, 6128, 6448, 6572, 9958, 11024, 11873, 12256, 12896, 13144, 19916, 20299, 21359, 22048, 23746, 26288, 39832, 40598, 42718, 47492, 52576, 79664, 81196, 85436, 94984, 154349, 159328, 162392, 170872, 189968, 263887, 308698, 324784, 341744, 379936, 527774, 617396, 629269, 649568, 683488, 1055548, 1234792, 1258538, 2111096, 2469584, 2517076, 4222192, 4939168, 5034152, 8180497, 8444384, 10068304, 16360994, 20136608, 32721988, 65443976, 130887952, 261775904]

約数ペア:

[(1, 261775904), (2, 130887952), (4, 65443976), (8, 32721988), (13, 20136608), (16, 16360994), (26, 10068304), (31, 8444384), (32, 8180497), (52, 5034152), (53, 4939168), (62, 4222192), (104, 2517076), (106, 2469584), (124, 2111096), (208, 1258538), (212, 1234792), (248, 1055548), (383, 683488), (403, 649568), (416, 629269), (424, 617396), (496, 527774), (689, 379936), (766, 341744), (806, 324784), (848, 308698), (992, 263887), (1378, 189968), (1532, 170872), (1612, 162392), (1643, 159328), (1696, 154349), (2756, 94984), (3064, 85436), (3224, 81196), (3286, 79664), (4979, 52576), (5512, 47492), (6128, 42718), (6448, 40598), (6572, 39832), (9958, 26288), (11024, 23746), (11873, 22048), (12256, 21359), (12896, 20299), (13144, 19916)]