28682885

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 45308160

約数和(自身を除く): 16625275

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 203, 245, 319, 367, 385, 539, 1015, 1421, 1595, 1835, 2233, 2569, 2695, 4037, 7105, 10643, 11165, 12845, 15631, 17983, 20185, 28259, 53215, 74501, 78155, 89915, 117073, 141295, 197813, 372505, 521507, 585365, 819511, 989065, 2607535, 4097555, 5736577, 28682885]

約数ペア:

[(1, 28682885), (5, 5736577), (7, 4097555), (11, 2607535), (29, 989065), (35, 819511), (49, 585365), (55, 521507), (77, 372505), (145, 197813), (203, 141295), (245, 117073), (319, 89915), (367, 78155), (385, 74501), (539, 53215), (1015, 28259), (1421, 20185), (1595, 17983), (1835, 15631), (2233, 12845), (2569, 11165), (2695, 10643), (4037, 7105)]