645406858

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{613}}^1$

素因数の和:1006

約数の個数: 32

約数和(自身を含む): 1034467200

約数和(自身を除く): 389060342

約数列:

[1, 2, 19, 38, 103, 206, 269, 538, 613, 1226, 1957, 3914, 5111, 10222, 11647, 23294, 27707, 55414, 63139, 126278, 164897, 329794, 526433, 1052866, 1199641, 2399282, 3133043, 6266086, 16984391, 33968782, 322703429, 645406858]

約数ペア:

[(1, 645406858), (2, 322703429), (19, 33968782), (38, 16984391), (103, 6266086), (206, 3133043), (269, 2399282), (538, 1199641), (613, 1052866), (1226, 526433), (1957, 329794), (3914, 164897), (5111, 126278), (10222, 63139), (11647, 55414), (23294, 27707)]