820271074

素因数分解:

$2^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{21517}}^1$

素因数の和:21922

約数の個数: 24

約数和(自身を含む): 1435035420

約数和(自身を除く): 614764346

約数列:

[1, 2, 7, 14, 49, 98, 389, 778, 2723, 5446, 19061, 21517, 38122, 43034, 150619, 301238, 1054333, 2108666, 8370113, 16740226, 58590791, 117181582, 410135537, 820271074]

約数ペア:

[(1, 820271074), (2, 410135537), (7, 117181582), (14, 58590791), (49, 16740226), (98, 8370113), (389, 2108666), (778, 1054333), (2723, 301238), (5446, 150619), (19061, 43034), (21517, 38122)]