1981831678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{13043}}^1$

素因数の和:13212

約数の個数: 32

約数和(自身を含む): 3254217120

約数和(自身を除く): 1272385442

約数列:

[1, 2, 17, 34, 41, 82, 109, 218, 697, 1394, 1853, 3706, 4469, 8938, 13043, 26086, 75973, 151946, 221731, 443462, 534763, 1069526, 1421687, 2843374, 9090971, 18181942, 24168679, 48337358, 58289167, 116578334, 990915839, 1981831678]

約数ペア:

[(1, 1981831678), (2, 990915839), (17, 116578334), (34, 58289167), (41, 48337358), (82, 24168679), (109, 18181942), (218, 9090971), (697, 2843374), (1394, 1421687), (1853, 1069526), (3706, 534763), (4469, 443462), (8938, 221731), (13043, 151946), (26086, 75973)]