28338444

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{2003}}^1$

素因数の和:2147

約数の個数: 48

約数和(自身を含む): 74067840

約数和(自身を除く): 45729396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1572, 2003, 2358, 3537, 4006, 4716, 6009, 7074, 8012, 12018, 14148, 18027, 24036, 36054, 54081, 72108, 108162, 216324, 262393, 524786, 787179, 1049572, 1574358, 2361537, 3148716, 4723074, 7084611, 9446148, 14169222, 28338444]

約数ペア:

[(1, 28338444), (2, 14169222), (3, 9446148), (4, 7084611), (6, 4723074), (9, 3148716), (12, 2361537), (18, 1574358), (27, 1049572), (36, 787179), (54, 524786), (108, 262393), (131, 216324), (262, 108162), (393, 72108), (524, 54081), (786, 36054), (1179, 24036), (1572, 18027), (2003, 14148), (2358, 12018), (3537, 8012), (4006, 7074), (4716, 6009)]