821884

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 1663200

約数和(自身を除く): 841316

約数列:

[1, 2, 4, 7, 14, 28, 149, 197, 298, 394, 596, 788, 1043, 1379, 2086, 2758, 4172, 5516, 29353, 58706, 117412, 205471, 410942, 821884]

約数ペア:

[(1, 821884), (2, 410942), (4, 205471), (7, 117412), (14, 58706), (28, 29353), (149, 5516), (197, 4172), (298, 2758), (394, 2086), (596, 1379), (788, 1043)]