259994868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{20773}}^1$

素因数の和:20936

約数の個数: 48

約数和(自身を含む): 698006400

約数和(自身を除く): 438011532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 149, 298, 447, 596, 894, 1043, 1788, 2086, 3129, 4172, 6258, 12516, 20773, 41546, 62319, 83092, 124638, 145411, 249276, 290822, 436233, 581644, 872466, 1744932, 3095177, 6190354, 9285531, 12380708, 18571062, 21666239, 37142124, 43332478, 64998717, 86664956, 129997434, 259994868]

約数ペア:

[(1, 259994868), (2, 129997434), (3, 86664956), (4, 64998717), (6, 43332478), (7, 37142124), (12, 21666239), (14, 18571062), (21, 12380708), (28, 9285531), (42, 6190354), (84, 3095177), (149, 1744932), (298, 872466), (447, 581644), (596, 436233), (894, 290822), (1043, 249276), (1788, 145411), (2086, 124638), (3129, 83092), (4172, 62319), (6258, 41546), (12516, 20773)]