31369715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 10966285

約数列:

[1, 5, 13, 41, 65, 79, 149, 205, 395, 533, 745, 1027, 1937, 2665, 3239, 5135, 6109, 9685, 11771, 16195, 30545, 42107, 58855, 79417, 153023, 210535, 397085, 482611, 765115, 2413055, 6273943, 31369715]

約数ペア:

[(1, 31369715), (5, 6273943), (13, 2413055), (41, 765115), (65, 482611), (79, 397085), (149, 210535), (205, 153023), (395, 79417), (533, 58855), (745, 42107), (1027, 30545), (1937, 16195), (2665, 11771), (3239, 9685), (5135, 6109)]