1643768

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 3564000

約数和(自身を除く): 1920232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 197, 298, 394, 596, 788, 1043, 1192, 1379, 1576, 2086, 2758, 4172, 5516, 8344, 11032, 29353, 58706, 117412, 205471, 234824, 410942, 821884, 1643768]

約数ペア:

[(1, 1643768), (2, 821884), (4, 410942), (7, 234824), (8, 205471), (14, 117412), (28, 58706), (56, 29353), (149, 11032), (197, 8344), (298, 5516), (394, 4172), (596, 2758), (788, 2086), (1043, 1576), (1192, 1379)]