259408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:562

約数の個数: 20

約数和(自身を含む): 519808

約数和(自身を除く): 260400

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 523, 1046, 2092, 4184, 8368, 16213, 32426, 64852, 129704, 259408]

約数ペア:

[(1, 259408), (2, 129704), (4, 64852), (8, 32426), (16, 16213), (31, 8368), (62, 4184), (124, 2092), (248, 1046), (496, 523)]