257525592

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{261713}}^1$

素因数の和:261763

約数の個数: 32

約数和(自身を含む): 659519280

約数和(自身を除く): 401993688

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 261713, 523426, 785139, 1046852, 1570278, 2093704, 3140556, 6281112, 10730233, 21460466, 32190699, 42920932, 64381398, 85841864, 128762796, 257525592]

約数ペア:

[(1, 257525592), (2, 128762796), (3, 85841864), (4, 64381398), (6, 42920932), (8, 32190699), (12, 21460466), (24, 10730233), (41, 6281112), (82, 3140556), (123, 2093704), (164, 1570278), (246, 1046852), (328, 785139), (492, 523426), (984, 261713)]