13021316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 28879872

約数和(自身を除く): 15858556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 631, 737, 938, 1262, 1474, 1876, 2524, 2948, 4417, 5159, 6941, 8834, 10318, 13882, 17668, 20636, 27764, 42277, 48587, 84554, 97174, 169108, 194348, 295939, 465047, 591878, 930094, 1183756, 1860188, 3255329, 6510658, 13021316]

約数ペア:

[(1, 13021316), (2, 6510658), (4, 3255329), (7, 1860188), (11, 1183756), (14, 930094), (22, 591878), (28, 465047), (44, 295939), (67, 194348), (77, 169108), (134, 97174), (154, 84554), (268, 48587), (308, 42277), (469, 27764), (631, 20636), (737, 17668), (938, 13882), (1262, 10318), (1474, 8834), (1876, 6941), (2524, 5159), (2948, 4417)]