278370442

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{133447}}^1$

素因数の和:133605

約数の個数: 16

約数和(自身を含む): 480412800

約数和(自身を除く): 202042358

約数列:

[1, 2, 7, 14, 149, 298, 1043, 2086, 133447, 266894, 934129, 1868258, 19883603, 39767206, 139185221, 278370442]

約数ペア:

[(1, 278370442), (2, 139185221), (7, 39767206), (14, 19883603), (149, 1868258), (298, 934129), (1043, 266894), (2086, 133447)]