161392644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3251}}^1$

素因数の和:3465

約数の個数: 72

約数和(自身を含む): 468756288

約数和(自身を除く): 307363644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1379, 1773, 2364, 2758, 3251, 3546, 4137, 5516, 6502, 7092, 8274, 9753, 12411, 13004, 16548, 19506, 22757, 24822, 29259, 39012, 45514, 49644, 58518, 68271, 91028, 117036, 136542, 204813, 273084, 409626, 640447, 819252, 1280894, 1921341, 2561788, 3842682, 4483129, 5764023, 7685364, 8966258, 11528046, 13449387, 17932516, 23056092, 26898774, 40348161, 53797548, 80696322, 161392644]

約数ペア:

[(1, 161392644), (2, 80696322), (3, 53797548), (4, 40348161), (6, 26898774), (7, 23056092), (9, 17932516), (12, 13449387), (14, 11528046), (18, 8966258), (21, 7685364), (28, 5764023), (36, 4483129), (42, 3842682), (63, 2561788), (84, 1921341), (126, 1280894), (197, 819252), (252, 640447), (394, 409626), (591, 273084), (788, 204813), (1182, 136542), (1379, 117036), (1773, 91028), (2364, 68271), (2758, 58518), (3251, 49644), (3546, 45514), (4137, 39012), (5516, 29259), (6502, 24822), (7092, 22757), (8274, 19506), (9753, 16548), (12411, 13004)]