257808

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 40

約数和(自身を含む): 687456

約数和(自身を除く): 429648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 131, 164, 246, 262, 328, 393, 492, 524, 656, 786, 984, 1048, 1572, 1968, 2096, 3144, 5371, 6288, 10742, 16113, 21484, 32226, 42968, 64452, 85936, 128904, 257808]

約数ペア:

[(1, 257808), (2, 128904), (3, 85936), (4, 64452), (6, 42968), (8, 32226), (12, 21484), (16, 16113), (24, 10742), (41, 6288), (48, 5371), (82, 3144), (123, 2096), (131, 1968), (164, 1572), (246, 1048), (262, 984), (328, 786), (393, 656), (492, 524)]