49920745

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 71539200

約数和(自身を除く): 21618455

約数列:

[1, 5, 7, 29, 35, 137, 145, 203, 359, 685, 959, 1015, 1795, 2513, 3973, 4795, 10411, 12565, 19865, 27811, 49183, 52055, 72877, 139055, 245915, 344281, 364385, 1426307, 1721405, 7131535, 9984149, 49920745]

約数ペア:

[(1, 49920745), (5, 9984149), (7, 7131535), (29, 1721405), (35, 1426307), (137, 364385), (145, 344281), (203, 245915), (359, 139055), (685, 72877), (959, 52055), (1015, 49183), (1795, 27811), (2513, 19865), (3973, 12565), (4795, 10411)]