199923185

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2454

約数の個数: 48

約数和(自身を含む): 314399232

約数和(自身を除く): 114476047

約数列:

[1, 5, 7, 11, 31, 35, 49, 55, 77, 155, 217, 245, 341, 385, 539, 1085, 1519, 1705, 2387, 2393, 2695, 7595, 11935, 11965, 16709, 16751, 26323, 74183, 83545, 83755, 117257, 131615, 184261, 370915, 519281, 586285, 816013, 921305, 1289827, 2596405, 3634967, 4080065, 5712091, 6449135, 18174835, 28560455, 39984637, 199923185]

約数ペア:

[(1, 199923185), (5, 39984637), (7, 28560455), (11, 18174835), (31, 6449135), (35, 5712091), (49, 4080065), (55, 3634967), (77, 2596405), (155, 1289827), (217, 921305), (245, 816013), (341, 586285), (385, 519281), (539, 370915), (1085, 184261), (1519, 131615), (1705, 117257), (2387, 83755), (2393, 83545), (2695, 74183), (7595, 26323), (11935, 16751), (11965, 16709)]