128703008

素因数分解:

$2^5\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1039}}^1$

素因数の和:1142

約数の個数: 72

約数和(自身を含む): 298771200

約数和(自身を除く): 170068192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 79, 98, 112, 158, 196, 224, 316, 392, 553, 632, 784, 1039, 1106, 1264, 1568, 2078, 2212, 2528, 3871, 4156, 4424, 7273, 7742, 8312, 8848, 14546, 15484, 16624, 17696, 29092, 30968, 33248, 50911, 58184, 61936, 82081, 101822, 116368, 123872, 164162, 203644, 232736, 328324, 407288, 574567, 656648, 814576, 1149134, 1313296, 1629152, 2298268, 2626592, 4021969, 4596536, 8043938, 9193072, 16087876, 18386144, 32175752, 64351504, 128703008]

約数ペア:

[(1, 128703008), (2, 64351504), (4, 32175752), (7, 18386144), (8, 16087876), (14, 9193072), (16, 8043938), (28, 4596536), (32, 4021969), (49, 2626592), (56, 2298268), (79, 1629152), (98, 1313296), (112, 1149134), (158, 814576), (196, 656648), (224, 574567), (316, 407288), (392, 328324), (553, 232736), (632, 203644), (784, 164162), (1039, 123872), (1106, 116368), (1264, 101822), (1568, 82081), (2078, 61936), (2212, 58184), (2528, 50911), (3871, 33248), (4156, 30968), (4424, 29092), (7273, 17696), (7742, 16624), (8312, 15484), (8848, 14546)]