1388707985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{5879}}^1$

素因数の和:6305

約数の個数: 32

約数和(自身を含む): 2021967360

約数和(自身を除く): 633259375

約数列:

[1, 5, 7, 17, 35, 85, 119, 397, 595, 1985, 2779, 5879, 6749, 13895, 29395, 33745, 41153, 47243, 99943, 205765, 236215, 499715, 699601, 2333963, 3498005, 11669815, 16337741, 39677371, 81688705, 198386855, 277741597, 1388707985]

約数ペア:

[(1, 1388707985), (5, 277741597), (7, 198386855), (17, 81688705), (35, 39677371), (85, 16337741), (119, 11669815), (397, 3498005), (595, 2333963), (1985, 699601), (2779, 499715), (5879, 236215), (6749, 205765), (13895, 99943), (29395, 47243), (33745, 41153)]