221429712

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{997}}^1$

素因数の和:1676

約数の個数: 80

約数和(自身を含む): 655390592

約数和(自身を除く): 433960880

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 661, 997, 1322, 1983, 1994, 2644, 2991, 3966, 3988, 4627, 5288, 5982, 6979, 7932, 7976, 9254, 10576, 11964, 13881, 13958, 15864, 15952, 18508, 20937, 23928, 27762, 27916, 31728, 37016, 41874, 47856, 55524, 55832, 74032, 83748, 111048, 111664, 167496, 222096, 334992, 659017, 1318034, 1977051, 2636068, 3954102, 4613119, 5272136, 7908204, 9226238, 10544272, 13839357, 15816408, 18452476, 27678714, 31632816, 36904952, 55357428, 73809904, 110714856, 221429712]

約数ペア:

[(1, 221429712), (2, 110714856), (3, 73809904), (4, 55357428), (6, 36904952), (7, 31632816), (8, 27678714), (12, 18452476), (14, 15816408), (16, 13839357), (21, 10544272), (24, 9226238), (28, 7908204), (42, 5272136), (48, 4613119), (56, 3954102), (84, 2636068), (112, 1977051), (168, 1318034), (336, 659017), (661, 334992), (997, 222096), (1322, 167496), (1983, 111664), (1994, 111048), (2644, 83748), (2991, 74032), (3966, 55832), (3988, 55524), (4627, 47856), (5288, 41874), (5982, 37016), (6979, 31728), (7932, 27916), (7976, 27762), (9254, 23928), (10576, 20937), (11964, 18508), (13881, 15952), (13958, 15864)]