8889149836

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{20399}}^1$

素因数の和:20686

約数の個数: 48

約数和(自身を含む): 18095616000

約数和(自身を除く): 9206466164

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 197, 316, 394, 553, 788, 1106, 1379, 2212, 2758, 5516, 15563, 20399, 31126, 40798, 62252, 81596, 108941, 142793, 217882, 285586, 435764, 571172, 1611521, 3223042, 4018603, 6446084, 8037206, 11280647, 16074412, 22561294, 28130221, 45122588, 56260442, 112520884, 317469637, 634939274, 1269878548, 2222287459, 4444574918, 8889149836]

約数ペア:

[(1, 8889149836), (2, 4444574918), (4, 2222287459), (7, 1269878548), (14, 634939274), (28, 317469637), (79, 112520884), (158, 56260442), (197, 45122588), (316, 28130221), (394, 22561294), (553, 16074412), (788, 11280647), (1106, 8037206), (1379, 6446084), (2212, 4018603), (2758, 3223042), (5516, 1611521), (15563, 571172), (20399, 435764), (31126, 285586), (40798, 217882), (62252, 142793), (81596, 108941)]