256046336

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 652444800

約数和(自身を除く): 396398464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 32, 52, 56, 58, 64, 91, 104, 112, 116, 128, 182, 203, 208, 224, 232, 256, 364, 377, 379, 406, 416, 448, 464, 728, 754, 758, 812, 832, 896, 928, 1456, 1508, 1516, 1624, 1664, 1792, 1856, 2639, 2653, 2912, 3016, 3032, 3248, 3328, 3712, 4927, 5278, 5306, 5824, 6032, 6064, 6496, 7424, 9854, 10556, 10612, 10991, 11648, 12064, 12128, 12992, 19708, 21112, 21224, 21982, 23296, 24128, 24256, 25984, 34489, 39416, 42224, 42448, 43964, 48256, 48512, 51968, 68978, 76937, 78832, 84448, 84896, 87928, 96512, 97024, 137956, 142883, 153874, 157664, 168896, 169792, 175856, 275912, 285766, 307748, 315328, 337792, 339584, 351712, 551824, 571532, 615496, 630656, 675584, 679168, 703424, 1000181, 1103648, 1143064, 1230992, 1261312, 1406848, 2000362, 2207296, 2286128, 2461984, 2813696, 4000724, 4414592, 4572256, 4923968, 8001448, 8829184, 9144512, 9847936, 16002896, 18289024, 19695872, 32005792, 36578048, 64011584, 128023168, 256046336]

約数ペア:

[(1, 256046336), (2, 128023168), (4, 64011584), (7, 36578048), (8, 32005792), (13, 19695872), (14, 18289024), (16, 16002896), (26, 9847936), (28, 9144512), (29, 8829184), (32, 8001448), (52, 4923968), (56, 4572256), (58, 4414592), (64, 4000724), (91, 2813696), (104, 2461984), (112, 2286128), (116, 2207296), (128, 2000362), (182, 1406848), (203, 1261312), (208, 1230992), (224, 1143064), (232, 1103648), (256, 1000181), (364, 703424), (377, 679168), (379, 675584), (406, 630656), (416, 615496), (448, 571532), (464, 551824), (728, 351712), (754, 339584), (758, 337792), (812, 315328), (832, 307748), (896, 285766), (928, 275912), (1456, 175856), (1508, 169792), (1516, 168896), (1624, 157664), (1664, 153874), (1792, 142883), (1856, 137956), (2639, 97024), (2653, 96512), (2912, 87928), (3016, 84896), (3032, 84448), (3248, 78832), (3328, 76937), (3712, 68978), (4927, 51968), (5278, 48512), (5306, 48256), (5824, 43964), (6032, 42448), (6064, 42224), (6496, 39416), (7424, 34489), (9854, 25984), (10556, 24256), (10612, 24128), (10991, 23296), (11648, 21982), (12064, 21224), (12128, 21112), (12992, 19708)]