51153725

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 77137920

約数和(自身を除く): 25984195

約数列:

[1, 5, 7, 23, 25, 35, 71, 115, 161, 175, 179, 355, 497, 575, 805, 895, 1253, 1633, 1775, 2485, 4025, 4117, 4475, 6265, 8165, 11431, 12425, 12709, 20585, 28819, 31325, 40825, 57155, 63545, 88963, 102925, 144095, 285775, 292307, 317725, 444815, 720475, 1461535, 2046149, 2224075, 7307675, 10230745, 51153725]

約数ペア:

[(1, 51153725), (5, 10230745), (7, 7307675), (23, 2224075), (25, 2046149), (35, 1461535), (71, 720475), (115, 444815), (161, 317725), (175, 292307), (179, 285775), (355, 144095), (497, 102925), (575, 88963), (805, 63545), (895, 57155), (1253, 40825), (1633, 31325), (1775, 28819), (2485, 20585), (4025, 12709), (4117, 12425), (4475, 11431), (6265, 8165)]