257964

素因数分解:

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

素因数の和:134

約数の個数: 48

約数和(自身を含む): 715008

約数和(自身を除く): 457044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 83, 84, 111, 148, 166, 222, 249, 259, 332, 444, 498, 518, 581, 777, 996, 1036, 1162, 1554, 1743, 2324, 3071, 3108, 3486, 6142, 6972, 9213, 12284, 18426, 21497, 36852, 42994, 64491, 85988, 128982, 257964]

約数ペア:

[(1, 257964), (2, 128982), (3, 85988), (4, 64491), (6, 42994), (7, 36852), (12, 21497), (14, 18426), (21, 12284), (28, 9213), (37, 6972), (42, 6142), (74, 3486), (83, 3108), (84, 3071), (111, 2324), (148, 1743), (166, 1554), (222, 1162), (249, 1036), (259, 996), (332, 777), (444, 581), (498, 518)]