8722175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 14141952

約数和(自身を除く): 5419777

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 197, 253, 275, 385, 575, 805, 985, 1265, 1379, 1771, 1925, 2167, 4025, 4531, 4925, 6325, 6895, 8855, 10835, 15169, 22655, 31717, 34475, 44275, 49841, 54175, 75845, 113275, 158585, 249205, 348887, 379225, 792925, 1246025, 1744435, 8722175]

約数ペア:

[(1, 8722175), (5, 1744435), (7, 1246025), (11, 792925), (23, 379225), (25, 348887), (35, 249205), (55, 158585), (77, 113275), (115, 75845), (161, 54175), (175, 49841), (197, 44275), (253, 34475), (275, 31717), (385, 22655), (575, 15169), (805, 10835), (985, 8855), (1265, 6895), (1379, 6325), (1771, 4925), (1925, 4531), (2167, 4025)]