128982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 32

約数和(自身を含む): 306432

約数和(自身を除く): 177450

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 83, 111, 166, 222, 249, 259, 498, 518, 581, 777, 1162, 1554, 1743, 3071, 3486, 6142, 9213, 18426, 21497, 42994, 64491, 128982]

約数ペア:

[(1, 128982), (2, 64491), (3, 42994), (6, 21497), (7, 18426), (14, 9213), (21, 6142), (37, 3486), (42, 3071), (74, 1743), (83, 1554), (111, 1162), (166, 777), (222, 581), (249, 518), (259, 498)]