641569558

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{21089}}^1$

素因数の和:21192

約数の個数: 32

約数和(自身を含む): 1147970880

約数和(自身を除く): 506401322

約数列:

[1, 2, 7, 14, 41, 53, 82, 106, 287, 371, 574, 742, 2173, 4346, 15211, 21089, 30422, 42178, 147623, 295246, 864649, 1117717, 1729298, 2235434, 6052543, 7824019, 12105086, 15648038, 45826397, 91652794, 320784779, 641569558]

約数ペア:

[(1, 641569558), (2, 320784779), (7, 91652794), (14, 45826397), (41, 15648038), (53, 12105086), (82, 7824019), (106, 6052543), (287, 2235434), (371, 1729298), (574, 1117717), (742, 864649), (2173, 295246), (4346, 147623), (15211, 42178), (21089, 30422)]