2021481728

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{36389}}^1$

素因数の和:36443

約数の個数: 72

約数和(自身を含む): 4760394240

約数和(自身を除く): 2738912512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 6944, 7936, 13888, 27776, 36389, 55552, 72778, 145556, 254723, 291112, 509446, 582224, 1018892, 1128059, 1164448, 2037784, 2256118, 2328896, 4075568, 4512236, 4657792, 7896413, 8151136, 9024472, 9315584, 15792826, 16302272, 18048944, 31585652, 32604544, 36097888, 63171304, 65209088, 72195776, 126342608, 144391552, 252685216, 288783104, 505370432, 1010740864, 2021481728]

約数ペア:

[(1, 2021481728), (2, 1010740864), (4, 505370432), (7, 288783104), (8, 252685216), (14, 144391552), (16, 126342608), (28, 72195776), (31, 65209088), (32, 63171304), (56, 36097888), (62, 32604544), (64, 31585652), (112, 18048944), (124, 16302272), (128, 15792826), (217, 9315584), (224, 9024472), (248, 8151136), (256, 7896413), (434, 4657792), (448, 4512236), (496, 4075568), (868, 2328896), (896, 2256118), (992, 2037784), (1736, 1164448), (1792, 1128059), (1984, 1018892), (3472, 582224), (3968, 509446), (6944, 291112), (7936, 254723), (13888, 145556), (27776, 72778), (36389, 55552)]