81312588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{322669}}^1$

素因数の和:322686

約数の個数: 36

約数和(自身を含む): 234903760

約数和(自身を除く): 153591172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 322669, 645338, 968007, 1290676, 1936014, 2258683, 2904021, 3872028, 4517366, 5808042, 6776049, 9034732, 11616084, 13552098, 20328147, 27104196, 40656294, 81312588]

約数ペア:

[(1, 81312588), (2, 40656294), (3, 27104196), (4, 20328147), (6, 13552098), (7, 11616084), (9, 9034732), (12, 6776049), (14, 5808042), (18, 4517366), (21, 3872028), (28, 2904021), (36, 2258683), (42, 1936014), (63, 1290676), (84, 968007), (126, 645338), (252, 322669)]