28121912

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38629}}^1$

素因数の和:38655

約数の個数: 32

約数和(自身を含む): 64898400

約数和(自身を除く): 36776488

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 38629, 77258, 154516, 270403, 309032, 502177, 540806, 1004354, 1081612, 2008708, 2163224, 3515239, 4017416, 7030478, 14060956, 28121912]

約数ペア:

[(1, 28121912), (2, 14060956), (4, 7030478), (7, 4017416), (8, 3515239), (13, 2163224), (14, 2008708), (26, 1081612), (28, 1004354), (52, 540806), (56, 502177), (91, 309032), (104, 270403), (182, 154516), (364, 77258), (728, 38629)]