163961728

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5903}}^1$

素因数の和:5955

約数の個数: 64

約数和(自身を含む): 385413120

約数和(自身を除く): 221451392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 3472, 3968, 5903, 6944, 11806, 13888, 23612, 27776, 41321, 47224, 82642, 94448, 165284, 182993, 188896, 330568, 365986, 377792, 661136, 731972, 755584, 1280951, 1322272, 1463944, 2561902, 2644544, 2927888, 5123804, 5289088, 5855776, 10247608, 11711552, 20495216, 23423104, 40990432, 81980864, 163961728]

約数ペア:

[(1, 163961728), (2, 81980864), (4, 40990432), (7, 23423104), (8, 20495216), (14, 11711552), (16, 10247608), (28, 5855776), (31, 5289088), (32, 5123804), (56, 2927888), (62, 2644544), (64, 2561902), (112, 1463944), (124, 1322272), (128, 1280951), (217, 755584), (224, 731972), (248, 661136), (434, 377792), (448, 365986), (496, 330568), (868, 188896), (896, 182993), (992, 165284), (1736, 94448), (1984, 82642), (3472, 47224), (3968, 41321), (5903, 27776), (6944, 23612), (11806, 13888)]