81436656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{242371}}^1$

素因数の和:242389

約数の個数: 40

約数和(自身を含む): 240433024

約数和(自身を除く): 158996368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 242371, 484742, 727113, 969484, 1454226, 1696597, 1938968, 2908452, 3393194, 3877936, 5089791, 5816904, 6786388, 10179582, 11633808, 13572776, 20359164, 27145552, 40718328, 81436656]

約数ペア:

[(1, 81436656), (2, 40718328), (3, 27145552), (4, 20359164), (6, 13572776), (7, 11633808), (8, 10179582), (12, 6786388), (14, 5816904), (16, 5089791), (21, 3877936), (24, 3393194), (28, 2908452), (42, 1938968), (48, 1696597), (56, 1454226), (84, 969484), (112, 727113), (168, 484742), (336, 242371)]