490690005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{86771}}^1$

素因数の和:86821

約数の個数: 32

約数和(自身を含む): 874661760

約数和(自身を除く): 383971755

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 5655, 86771, 260313, 433855, 1128023, 1301565, 2516359, 3384069, 5640115, 7549077, 12581795, 16920345, 32712667, 37745385, 98138001, 163563335, 490690005]

約数ペア:

[(1, 490690005), (3, 163563335), (5, 98138001), (13, 37745385), (15, 32712667), (29, 16920345), (39, 12581795), (65, 7549077), (87, 5640115), (145, 3384069), (195, 2516359), (377, 1301565), (435, 1128023), (1131, 433855), (1885, 260313), (5655, 86771)]