1400347004

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{18127}}^1$

素因数の和:18258

約数の個数: 48

約数和(自身を含む): 2923683840

約数和(自身を除く): 1523336836

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 89, 124, 178, 217, 356, 434, 623, 868, 1246, 2492, 2759, 5518, 11036, 18127, 19313, 36254, 38626, 72508, 77252, 126889, 253778, 507556, 561937, 1123874, 1613303, 2247748, 3226606, 3933559, 6453212, 7867118, 11293121, 15734236, 22586242, 45172484, 50012393, 100024786, 200049572, 350086751, 700173502, 1400347004]

約数ペア:

[(1, 1400347004), (2, 700173502), (4, 350086751), (7, 200049572), (14, 100024786), (28, 50012393), (31, 45172484), (62, 22586242), (89, 15734236), (124, 11293121), (178, 7867118), (217, 6453212), (356, 3933559), (434, 3226606), (623, 2247748), (868, 1613303), (1246, 1123874), (2492, 561937), (2759, 507556), (5518, 253778), (11036, 126889), (18127, 77252), (19313, 72508), (36254, 38626)]