890992816

素因数分解:

$2^4\times 7^1\times {\mathrm{383}}^1\times {\mathrm{20771}}^1$

素因数の和:21169

約数の個数: 40

約数和(自身を含む): 1978159104

約数和(自身を除く): 1087166288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 383, 766, 1532, 2681, 3064, 5362, 6128, 10724, 20771, 21448, 41542, 42896, 83084, 145397, 166168, 290794, 332336, 581588, 1163176, 2326352, 7955293, 15910586, 31821172, 55687051, 63642344, 111374102, 127284688, 222748204, 445496408, 890992816]

約数ペア:

[(1, 890992816), (2, 445496408), (4, 222748204), (7, 127284688), (8, 111374102), (14, 63642344), (16, 55687051), (28, 31821172), (56, 15910586), (112, 7955293), (383, 2326352), (766, 1163176), (1532, 581588), (2681, 332336), (3064, 290794), (5362, 166168), (6128, 145397), (10724, 83084), (20771, 42896), (21448, 41542)]