256435648

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:690

約数の個数: 112

約数和(自身を含む): 622669824

約数和(自身を除く): 366234176

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 41, 46, 56, 64, 82, 92, 112, 161, 164, 184, 224, 287, 322, 328, 368, 448, 574, 607, 644, 656, 736, 943, 1148, 1214, 1288, 1312, 1472, 1886, 2296, 2428, 2576, 2624, 3772, 4249, 4592, 4856, 5152, 6601, 7544, 8498, 9184, 9712, 10304, 13202, 13961, 15088, 16996, 18368, 19424, 24887, 26404, 27922, 30176, 33992, 38848, 49774, 52808, 55844, 60352, 67984, 97727, 99548, 105616, 111688, 135968, 174209, 195454, 199096, 211232, 223376, 271936, 348418, 390908, 398192, 422464, 446752, 572401, 696836, 781816, 796384, 893504, 1144802, 1393672, 1563632, 1592768, 2289604, 2787344, 3127264, 4006807, 4579208, 5574688, 6254528, 8013614, 9158416, 11149376, 16027228, 18316832, 32054456, 36633664, 64108912, 128217824, 256435648]

約数ペア:

[(1, 256435648), (2, 128217824), (4, 64108912), (7, 36633664), (8, 32054456), (14, 18316832), (16, 16027228), (23, 11149376), (28, 9158416), (32, 8013614), (41, 6254528), (46, 5574688), (56, 4579208), (64, 4006807), (82, 3127264), (92, 2787344), (112, 2289604), (161, 1592768), (164, 1563632), (184, 1393672), (224, 1144802), (287, 893504), (322, 796384), (328, 781816), (368, 696836), (448, 572401), (574, 446752), (607, 422464), (644, 398192), (656, 390908), (736, 348418), (943, 271936), (1148, 223376), (1214, 211232), (1288, 199096), (1312, 195454), (1472, 174209), (1886, 135968), (2296, 111688), (2428, 105616), (2576, 99548), (2624, 97727), (3772, 67984), (4249, 60352), (4592, 55844), (4856, 52808), (5152, 49774), (6601, 38848), (7544, 33992), (8498, 30176), (9184, 27922), (9712, 26404), (10304, 24887), (13202, 19424), (13961, 18368), (15088, 16996)]