221648784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{659669}}^1$

素因数の和:659687

約数の個数: 40

約数和(自身を含む): 654392640

約数和(自身を除く): 432743856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 659669, 1319338, 1979007, 2638676, 3958014, 4617683, 5277352, 7916028, 9235366, 10554704, 13853049, 15832056, 18470732, 27706098, 31664112, 36941464, 55412196, 73882928, 110824392, 221648784]

約数ペア:

[(1, 221648784), (2, 110824392), (3, 73882928), (4, 55412196), (6, 36941464), (7, 31664112), (8, 27706098), (12, 18470732), (14, 15832056), (16, 13853049), (21, 10554704), (24, 9235366), (28, 7916028), (42, 5277352), (48, 4617683), (56, 3958014), (84, 2638676), (112, 1979007), (168, 1319338), (336, 659669)]