90189385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 132392448

約数和(自身を除く): 42203063

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 169, 313, 341, 403, 715, 845, 1565, 1705, 1859, 2015, 3443, 4069, 4433, 5239, 9295, 9703, 17215, 20345, 22165, 26195, 44759, 48515, 52897, 57629, 106733, 126139, 223795, 264485, 288145, 533665, 581867, 630695, 1387529, 1639807, 2909335, 6937645, 8199035, 18037877, 90189385]

約数ペア:

[(1, 90189385), (5, 18037877), (11, 8199035), (13, 6937645), (31, 2909335), (55, 1639807), (65, 1387529), (143, 630695), (155, 581867), (169, 533665), (313, 288145), (341, 264485), (403, 223795), (715, 126139), (845, 106733), (1565, 57629), (1705, 52897), (1859, 48515), (2015, 44759), (3443, 26195), (4069, 22165), (4433, 20345), (5239, 17215), (9295, 9703)]