1279309915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{3923}}^1$

素因数の和:4143

約数の個数: 32

約数和(自身を含む): 1720595520

約数和(自身を除く): 441285605

約数列:

[1, 5, 13, 29, 65, 145, 173, 377, 865, 1885, 2249, 3923, 5017, 11245, 19615, 25085, 50999, 65221, 113767, 254995, 326105, 568835, 678679, 1478971, 3393395, 7394855, 8822827, 19681691, 44114135, 98408455, 255861983, 1279309915]

約数ペア:

[(1, 1279309915), (5, 255861983), (13, 98408455), (29, 44114135), (65, 19681691), (145, 8822827), (173, 7394855), (377, 3393395), (865, 1478971), (1885, 678679), (2249, 568835), (3923, 326105), (5017, 254995), (11245, 113767), (19615, 65221), (25085, 50999)]