217953954

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 481852800

約数和(自身を除く): 263898846

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 199, 213, 398, 426, 597, 639, 857, 1194, 1278, 1714, 1791, 2571, 3582, 5142, 7713, 14129, 15426, 28258, 42387, 60847, 84774, 121694, 127161, 170543, 182541, 254322, 341086, 365082, 511629, 547623, 1023258, 1095246, 1534887, 3069774, 12108553, 24217106, 36325659, 72651318, 108976977, 217953954]

約数ペア:

[(1, 217953954), (2, 108976977), (3, 72651318), (6, 36325659), (9, 24217106), (18, 12108553), (71, 3069774), (142, 1534887), (199, 1095246), (213, 1023258), (398, 547623), (426, 511629), (597, 365082), (639, 341086), (857, 254322), (1194, 182541), (1278, 170543), (1714, 127161), (1791, 121694), (2571, 84774), (3582, 60847), (5142, 42387), (7713, 28258), (14129, 15426)]