1561906816

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{530539}}^1$

素因数の和:530576

約数の個数: 32

約数和(自身を含む): 3246904800

約数和(自身を除く): 1684997984

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 530539, 1061078, 2122156, 4244312, 8488624, 12202397, 16977248, 24404794, 33954496, 48809588, 67908992, 97619176, 195238352, 390476704, 780953408, 1561906816]

約数ペア:

[(1, 1561906816), (2, 780953408), (4, 390476704), (8, 195238352), (16, 97619176), (23, 67908992), (32, 48809588), (46, 33954496), (64, 24404794), (92, 16977248), (128, 12202397), (184, 8488624), (368, 4244312), (736, 2122156), (1472, 1061078), (2944, 530539)]