289886884

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1907}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 596211840

約数和(自身を除く): 306324956

約数列:

[1, 2, 4, 7, 14, 28, 61, 89, 122, 178, 244, 356, 427, 623, 854, 1246, 1708, 1907, 2492, 3814, 5429, 7628, 10858, 13349, 21716, 26698, 38003, 53396, 76006, 116327, 152012, 169723, 232654, 339446, 465308, 678892, 814289, 1188061, 1628578, 2376122, 3257156, 4752244, 10353103, 20706206, 41412412, 72471721, 144943442, 289886884]

約数ペア:

[(1, 289886884), (2, 144943442), (4, 72471721), (7, 41412412), (14, 20706206), (28, 10353103), (61, 4752244), (89, 3257156), (122, 2376122), (178, 1628578), (244, 1188061), (356, 814289), (427, 678892), (623, 465308), (854, 339446), (1246, 232654), (1708, 169723), (1907, 152012), (2492, 116327), (3814, 76006), (5429, 53396), (7628, 38003), (10858, 26698), (13349, 21716)]