128227904

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1376

約数の個数: 84

約数和(自身を含む): 305775360

約数和(自身を除く): 177547456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 196, 217, 224, 248, 392, 434, 448, 496, 784, 868, 992, 1319, 1519, 1568, 1736, 1984, 2638, 3038, 3136, 3472, 5276, 6076, 6944, 9233, 10552, 12152, 13888, 18466, 21104, 24304, 36932, 40889, 42208, 48608, 64631, 73864, 81778, 84416, 97216, 129262, 147728, 163556, 258524, 286223, 295456, 327112, 517048, 572446, 590912, 654224, 1034096, 1144892, 1308448, 2003561, 2068192, 2289784, 2616896, 4007122, 4136384, 4579568, 8014244, 9159136, 16028488, 18318272, 32056976, 64113952, 128227904]

約数ペア:

[(1, 128227904), (2, 64113952), (4, 32056976), (7, 18318272), (8, 16028488), (14, 9159136), (16, 8014244), (28, 4579568), (31, 4136384), (32, 4007122), (49, 2616896), (56, 2289784), (62, 2068192), (64, 2003561), (98, 1308448), (112, 1144892), (124, 1034096), (196, 654224), (217, 590912), (224, 572446), (248, 517048), (392, 327112), (434, 295456), (448, 286223), (496, 258524), (784, 163556), (868, 147728), (992, 129262), (1319, 97216), (1519, 84416), (1568, 81778), (1736, 73864), (1984, 64631), (2638, 48608), (3038, 42208), (3136, 40889), (3472, 36932), (5276, 24304), (6076, 21104), (6944, 18466), (9233, 13888), (10552, 12152)]