257367046

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{7517}}^1$

素因数の和:7608

約数の個数: 32

約数和(自身を含む): 438449760

約数和(自身を除く): 181082714

約数列:

[1, 2, 17, 19, 34, 38, 53, 106, 323, 646, 901, 1007, 1802, 2014, 7517, 15034, 17119, 34238, 127789, 142823, 255578, 285646, 398401, 796802, 2427991, 4855982, 6772817, 7569619, 13545634, 15139238, 128683523, 257367046]

約数ペア:

[(1, 257367046), (2, 128683523), (17, 15139238), (19, 13545634), (34, 7569619), (38, 6772817), (53, 4855982), (106, 2427991), (323, 796802), (646, 398401), (901, 285646), (1007, 255578), (1802, 142823), (2014, 127789), (7517, 34238), (15034, 17119)]