245087245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 323326080

約数和(自身を除く): 78238835

約数列:

[1, 5, 13, 65, 107, 131, 269, 535, 655, 1345, 1391, 1703, 3497, 6955, 8515, 14017, 17485, 28783, 35239, 70085, 143915, 176195, 182221, 374179, 458107, 911105, 1870895, 2290535, 3770573, 18852865, 49017449, 245087245]

約数ペア:

[(1, 245087245), (5, 49017449), (13, 18852865), (65, 3770573), (107, 2290535), (131, 1870895), (269, 911105), (535, 458107), (655, 374179), (1345, 182221), (1391, 176195), (1703, 143915), (3497, 70085), (6955, 35239), (8515, 28783), (14017, 17485)]